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D-Link DFL-260E Log Reference Manual

Manual is about: Network Security Firewall Application Control Signatures NetDefendOS

Summary of DFL-260E

  • Page 1

    Network security solution http://www.Dlink.Com netdefendos ver. 2.40.03 network security firewall log reference guide security security.

  • Page 2: Log Reference Guide

    Log reference guide dfl-260e/860e/1660/2560/2560g netdefendos version 2.40.03 d-link corporation no. 289, sinhu 3rd rd, neihu district, taipei city 114, taiwan r.O.C. Http://www.Dlink.Com published 2013-02-20 copyright © 2013.

  • Page 3: Log Reference Guide

    Log reference guide dfl-260e/860e/1660/2560/2560g netdefendos version 2.40.03 published 2013-02-20 copyright © 2013 copyright notice this publication, including all photographs, illustrations and software, is protected under international copyright laws, with all rights reserved. Neither this manual...

  • Page 4: Table Of Contents

    Table of contents preface ...............................................................................................................29 1. Introduction .....................................................................................................31 1.1. Log message structure ................

  • Page 5

    2.1.51. Sender_email_id_mismatched (id: 00200157) .................................59 2.1.52. Sender_email_id_is_in_blacklist (id: 00200158) ..............................59 2.1.53. Recipient_email_id_in_blacklist (id: 00200159) ...............................60 2.1.54. Some_recipient_email_ids_are_...

  • Page 6

    2.1.112. Failed_to_send_response_code (id: 00200255) ..............................82 2.1.113. Illegal_command (id: 00200267) ................................................83 2.1.114. Unknown_state (id: 00200300) ...................................................83 2.1.115. Invalid_message (id: 0...

  • Page 7

    2.1.174. Max_tls_sessions_reached (id: 00200450) .................................. 105 2.1.175. Failed_create_new_session (id: 00200451) .................................. 105 2.1.176. Failure_connect_http_server (id: 00200452) ................................ 106 2.1.177. Tls_alert_received (id: 0...

  • Page 8

    2.1.236. Sipalg_callleg_created (id: 00200554) ........................................ 130 2.1.237. Failed_to_create_new_callleg (id: 00200555) .............................. 130 2.1.238. Failed_to_find_callleg (id: 00200556) ........................................ 131 2.1.239. Failed_to_update_ca...

  • Page 9

    2.4.7. Mismatching_hwaddrs_drop (id: 00300007) ................................... 154 2.4.8. Hwaddr_change (id: 00300008) .................................................... 154 2.4.9. Arp_resolution_failed (id: 00300009) ............................................ 154 2.4.10. Arp_resolution_succ...

  • Page 10

    2.9.12. Offered_broadcast_equals_gateway (id: 00700013) ........................ 175 2.9.13. Ip_collision (id: 00700014) ....................................................... 176 2.9.14. Route_collision (id: 00700015) ................................................... 176 2.10. Dhcprelay ...........

  • Page 11

    2.12.1. Failed_to_export_route_to_ospf_process_failed_to_alloc (id: 01100001) ........................................................................................................ 197 2.12.2. Route_exported_to_ospf_as (id: 01100002) ................................... 197 2.12.3. Route_unexported...

  • Page 12

    2.15.13. Should_have_arrived_on_sync_iface (id: 01200044) .................... 218 2.15.14. Activate_failed (id: 01200050) .................................................. 218 2.15.15. Merge_failed (id: 01200051) .................................................... 219 2.15.16. Ha_commit_error (id...

  • Page 13

    2.19.5. Idp_detects_invalid_system_time (id: 01400005) .......................... 242 2.19.6. Downloading_new_database (id: 01400007) ................................. 242 2.19.7. Unsynced_databases (id: 01400009) ............................................ 242 2.20. Ifacemon .........................

  • Page 14

    2.22.37. Failed_to_add_peer (id: 01800312) ............................................ 263 2.22.38. Failed_to_add_rules (id: 01800313) ........................................... 264 2.22.39. Failed_to_add_rules (id: 01800314) ........................................... 264 2.22.40. New_remote_gw_i...

  • Page 15

    2.22.98. Invalid_rule_setting (id: 01802108) ........................................... 282 2.22.99. Invalid_rule_setting (id: 01802109) ........................................... 282 2.22.100. Max_number_of_policy_rules_reached (id: 01802110) ............... 282 2.22.101. Suspicious_outbound_rule...

  • Page 16

    2.22.160. Init_flow_id_table_failed (id: 01802908) .................................. 300 2.22.161. Init_flow_table_failed (id: 01802909) ...................................... 300 2.22.162. Init_next_hop_table_failed (id: 01802910) ................................ 300 2.22.163. Init_transform_table...

  • Page 17

    2.23.22. Nd_hoplimit_reached (id: 06400047) ......................................... 318 2.23.23. Nd_multicast_target_address (id: 06400048) ............................... 319 2.23.24. Invalid_nd_sender_ip_address (id: 06400049) ............................. 319 2.23.25. Nd_access_allowed_expect (...

  • Page 18

    2.26.18. Ipopt_present_disallowed (id: 01700023) ................................... 341 2.26.19. Invalid_ip6payload_for_jumbo (id: 01700039) ............................ 342 2.26.20. Small_payload (id: 01700040) .................................................. 342 2.26.21. Small_payload (id: 0170...

  • Page 19

    2.27.21. Oversize_ip (id: 07000058) ...................................................... 362 2.27.22. Hop_limit_zero (id: 07000059) ................................................. 362 2.27.23. Hop_limit_low (id: 07000060) .................................................. 363 2.27.24. Fragmented...

  • Page 20

    2.30.17. Bad_auth_crypto_key_id (id: 02400052) .................................... 384 2.30.18. Bad_auth_crypto_seq_number (id: 02400053) ............................. 385 2.30.19. Bad_auth_crypto_digest (id: 02400054) ..................................... 385 2.30.20. Checksum_mismatch (id: 024000...

  • Page 21

    2.31.9. Lcp_negotiation_stalled (id: 02500052) ........................................ 404 2.31.10. Ppp_tunnel_limit_exceeded (id: 02500100) ................................ 405 2.31.11. Authentication_failed (id: 02500101) ......................................... 405 2.31.12. Response_value_too_l...

  • Page 22

    2.35.8. Unable_to_register_arp_monitor (id: 04100008) ............................ 425 2.35.9. Unable_to_register_arp_monitor (id: 04100009) ............................ 426 2.35.10. No_link (id: 04100010) ........................................................... 426 2.35.11. Has_link (id: 0410001...

  • Page 23

    2.41.2. Dh_key_exchange_failure (id: 04700002) ..................................... 447 2.41.3. Illegal_version_string (id: 04700004) .......................................... 447 2.41.4. Error_occurred (id: 04700005) ................................................... 447 2.41.5. Invalid_mac (id:...

  • Page 24

    2.43.33. Admin_logout (id: 03203001) ................................................... 468 2.43.34. Admin_login_failed (id: 03203002) ........................................... 468 2.43.35. Sslvpnuser_login (id: 03203004) ............................................... 469 2.43.36. Activate_chang...

  • Page 25

    2.47.3. Clockdrift_too_high (id: 03500003) ............................................. 492 2.48. Transparency ............................................................................. 494 2.48.1. Impossible_hw_sender_address (id: 04400410) ............................. 494 2.48.2. Enet_hw_send...

  • Page 26

    2.49.47. Bad_clienthello_msg (id: 03700503) .......................................... 514 2.49.48. Bad_changecipher_msg (id: 03700504) ...................................... 514 2.49.49. Bad_clientkeyexchange_msg (id: 03700505) ............................... 515 2.49.50. Bad_clientfinished_msg (id...

  • Page 27: List Of Tables

    List of tables 1. Abbreviations ..................................................................................................30 27.

  • Page 28: List Of Examples

    List of examples 1. Log message parameters ....................................................................................29 2. Conditional log message parameters ...................................................................29 28.

  • Page 29: Preface

    Preface audience the target audience for this reference guide consists of: • administrators that are responsible for configuring and managing a netdefendos installation. • administrators that are responsible for troubleshooting a netdefendos installation. This guide assumes that the reader is famili...

  • Page 30

    The following abbreviations are used throughout this reference guide: table 1. Abbreviations abbreviation full name alg application layer gateway arp address resolution protocol dhcp dynamic host configuration protocol dns domain name system esp encapsulating security payload ftp file transfer proto...

  • Page 31: Chapter 1. Introduction

    Chapter 1. Introduction • log message structure, page 31 • context parameters, page 33 • severity levels, page 37 this guide is a reference for all log messages generated by netdefendos. It is designed to be a valuable information source for both management and troubleshooting. 1.1. Log message stru...

  • Page 32

    Is never actually included in the log message. Explanation a detailed explanation of the event. Note that this information is only featured in this reference guide, and is never actually included in the log message. Gateway action a short string, 1-3 words separated by _, of what action netdefendos ...

  • Page 33: 1.2. Context Parameters

    1.2. Context parameters in many cases, information regarding a certain object is featured in the log message. This can be information about, for example, a connection. In this case, the log message should, besides all the normal log message attributes, also include information about which protocol i...

  • Page 34

    Ipproto the ip protocol. Ipdatalen the ip data length. [srcport] the source port. Valid if the protocol is tcp or udp. [destport] the destination port. Valid if the protocol is tcp or udp. [tcphdrlen] the tcp header length. Valid if the protocol is tcp. [udptotlen] the total udp data length. Valid i...

  • Page 35

    Connection is closing or closed. Idp specifies the name and a description of the signature that triggered this event. Note for idp log messages an additional log receiver, an smtp log receiver, can be configured. This information is only sent to log receives of that kind, and not included in the sys...

  • Page 36

    Timedout, disallowed_login, accounting and unknown. Username the name of the user that triggered this event. Srcip the source ip address of the user that triggered this event. Ospf additional information about ospf. Logsection the ospf section possible values: packet, hello, ddesc, exchange, lsa, sp...

  • Page 37: 1.3. Severity Levels

    1.3. Severity levels an event has a default severity level, based on how serious the event is. The following eight severity levels are possible, as defined by the syslog protocol: 0 - emergency emergency conditions, which most likely led to the system being unusable. 1 - alert alert conditions, whic...

  • Page 38

    1.3. Severity levels chapter 1. Introduction 38.

  • Page 39

    Chapter 2. Log message reference • alg, page 40 • antispam, page 137 • antivirus, page 142 • arp, page 152 • avupdate, page 159 • blacklist, page 162 • buffers, page 164 • conn, page 165 • dhcp, page 172 • dhcprelay, page 178 • dhcpserver, page 188 • dynrouting, page 197 • frag, page 200 • gre, page...

  • Page 40: 2.1. Alg

    • pppoe, page 409 • pptp, page 410 • reassembly, page 420 • rfo, page 423 • rule, page 429 • sesmgr, page 435 • slb, page 441 • smtplog, page 442 • snmp, page 446 • sshd, page 447 • sslvpn, page 454 • system, page 458 • tcp_flag, page 473 • tcp_opt, page 481 • threshold, page 488 • timesync, page 49...

  • Page 41

    Revision 1 context parameters alg module name alg session id connection 2.1.2. Alg_session_closed (id: 00200002) default severity informational log message alg session closed explanation an alg session has been closed. Gateway action none recommended action none. Revision 1 context parameters alg mo...

  • Page 42

    Recommended action increase the number of alg sessions on services configured with algs or try to free up some ram depending on the situation. Revision 1 2.1.5. Invalid_client_http_header_received (id: 00200100) default severity warning log message httpalg: invalid http header was received from the ...

  • Page 43

    Explanation data was received after the client request header, although the header specified that no such data should be sent. Gateway action closing_connecion recommended action research the source of this, and try to find out why the client is sending an invalid request. Revision 1 parameters algn...

  • Page 44

    Alg session id 2.1.10. Invalid_server_http_header_received (id: 00200108) default severity warning log message httpalg: an invalid http header was received from the server. Closing connection. Alg name: . Explanation an invalid http header was received from the server. Gateway action closing_conneci...

  • Page 45

    For this service. No more sessions can be opened before old sessions have been released. Gateway action close recommended action if the maximum number of http sessions is too low, increase it. Revision 1 parameters max_sessions context parameters alg module name 2.1.13. Failed_create_new_session (id...

  • Page 46

    Log message httpalg: content type mismatch in file . Identified filetype explanation the filetype of the file does not match the actual content type. As there is a content type mismatch, data is discarded. Gateway action block_data recommended action none. Revision 1 parameters filename filetype con...

  • Page 47

    Log message httpalg: the file with file size kb exceeds the maximum allowed download size kb. Closing connection explanation the data received from the server exceeds the maximun allowed download file size, the request is rejected and the connection is closed. Gateway action close recommended action...

  • Page 48

    2.1.21. Wcf_servers_unreachable (id: 00200119) default severity critical log message httpalg: failed to connect to web content servers explanation web content filtering was unable to connect to the web content filtering servers. Verify that the unit has been configured with internet access. Gateway ...

  • Page 49

    Context parameters alg module name 2.1.24. Wcf_connecting (id: 00200122) default severity informational log message httpalg:connecting to web content server explanation connecting to web content filtering server. Gateway action connecting recommended action none. Revision 1 parameters server context...

  • Page 50

    2.1.27. Request_url (id: 00200125) default severity notice log message httpalg: requesting url . Categories: . Audit: . Override: . Alg name: . Explanation the url has been requested. Gateway action allow recommended action none. Revision 2 parameters categories audit override url algname context pa...

  • Page 51

    Explanation the wcf service could not authenticate with the wcf server. Gateway action none recommended action none. Revision 1 parameters failedserver context parameters alg module name 2.1.30. Wcf_server_bad_reply (id: 00200128) default severity error log message httpalg: failed to parse wcf serve...

  • Page 52

    2.1.32. Out_of_memory (id: 00200130) default severity critical log message httpalg: failed to allocate memory explanation the unit does not have enough available ram. Gateway action none recommended action try to free up some ram by changing configuration parameters. Revision 1 context parameters al...

  • Page 53

    Connection alg module name alg session id 2.1.35. Url_reclassification_request (id: 00200133) default severity warning log message httpalg: reclassification request for url . New category . Alg name: . Explanation the user has requested a category reclassification for the url. Gateway action allow r...

  • Page 54

    Gateway action allow recommended action none. Revision 1 parameters categories audit override url user algname context parameters connection connection alg module name alg session id 2.1.38. Request_url (id: 00200136) default severity notice log message httpalg: requesting url . Categories: . Audit:...

  • Page 55

    Revision 2 parameters categories audit override url user algname context parameters connection connection alg module name alg session id 2.1.40. Restricted_site_notice (id: 00200138) default severity warning log message httpalg: user requests the forbidden url , eventhough restricted site notice was...

  • Page 56

    User algname context parameters connection connection alg module name alg session id 2.1.42. Wcf_mem_optimized (id: 00200140) default severity debug log message httpalg: optimizing wcf memory usage explanation the web content filtering subsystem has optimized its memory usage and freed up some memor...

  • Page 57: 00200151)

    Log message httpalg: wcf request timeout explanation the wcf server took too long time to reply. A new connection attempt is in progress. Gateway action reconnecting recommended action none. Revision 1 context parameters alg module name 2.1.45. Max_smtp_sessions_reached (id: 00200150) default severi...

  • Page 58

    Default severity critical log message smtpalg: failed to create new smtpalg session (out of memory) explanation an attempt to create a new smtpalg session failed. The unit has run out of memory. Gateway action close recommended action decrease the maximum allowed smtpalg sessions, or try to free som...

  • Page 59

    Default severity warning log message smtpalg: mismatching sender address explanation the smtp "mail from:" command does not match the "from:" header. The e-mail will be tagged as spam. Gateway action spam tag recommended action disable the verify e-mail sender id setting if you experience that valid...

  • Page 60: 00200160)

    Parameters sender_email_address context parameters alg module name alg session id 2.1.53. Recipient_email_id_in_blacklist (id: 00200159) default severity warning log message smtpalg: recipient e-mail address is in black list explanation since "rcpt to:" e-mail address is in black list, smtp alg reje...

  • Page 61

    If the email sender sends incorrectly formatted data. The attachment has been blocked. Gateway action block_allow recommended action research how the sender is encoding the data. Revision 2 parameters filename filetype sender_email_address recipient_email_addresses context parameters alg module name...

  • Page 62: 00200171)

    Filetype sender_email_address recipient_email_addresses context parameters alg module name alg session id 2.1.58. Content_type_mismatch (id: 00200167) default severity warning log message smtpalg: content type mismatch in file . Identified filetype explanation the filetype of the file does not match...

  • Page 63: 00200172)

    Default severity notice log message smtpalg: content type mismatch found for the file . It is identified as type file explanation received type of data in the packet and its actual type do not match. As there is a mismatch and mime type check is disabled, the data will be allowed. Gateway action all...

  • Page 64

    Revision 3 context parameters alg module name alg session id 2.1.63. Invalid_end_of_mail (id: 00200176) default severity warning log message smtpalg: invalid end of mail "\.\" received. Explanation the client is sending invalid end of mail. Transaction will be terminated. Gateway action block re...

  • Page 65

    Revision 2 context parameters alg module name alg session id 2.1.66. Cmd_empty (id: 00200180) default severity debug log message smtpalg: received empty command. Explanation the smtp command line was empty. Ignoring command. Gateway action ignore recommended action none. Revision 1 context parameter...

  • Page 66

    2.1.69. Unsupported_extension (id: 00200185) default severity informational log message smtpalg: removed capability from ehlo response explanation the smtp alg removed the [capa] capability from the ehlo response since the alg does not support the specified extension. Gateway action capability_remov...

  • Page 67: (Id: 00200195)

    Alg module name alg session id 2.1.72. Sender_email_dnsbl_spam_mark_removed_by_whitelist (id: 00200195) default severity warning log message smtpalg: whitelist override dnsbl result for email. Explanation email was marked as spam by dnsbl. As email id was matched in whitelist, this mark is removed. ...

  • Page 68

    Gateway action none recommended action none. Revision 1 context parameters alg module name alg session id rule information connection 2.1.75. Hybrid_data (id: 00200209) default severity informational log message ftpalg: hybrid data channel closed explanation a hybrid data channel was closed. Gateway...

  • Page 69

    Default severity warning log message ftpalg: unexpected telnet control chars in control channel from . Closing connection explanation unexpected telnet control characters were discovered in the control channel. This is not allowed according to the ftpalg configuration, and the connection will be clo...

  • Page 70

    Recommended action if unknown commands should not be allowed, modify the ftpalg configuration. Revision 1 parameters peer string context parameters alg module name alg session id connection 2.1.80. Port_command_disabled (id: 00200214) default severity warning log message ftpalg: port command not all...

  • Page 71

    2.1.82. Illegal_ip_address (id: 00200216) default severity critical log message ftpalg: illegal port command from , bad ip address . String=. Rejecting command explanation an illegal "port" command was received from the client. It requests that the server should connect to another ip that it's own. ...

  • Page 72

    Explanation an error occured when creating a data connection from the server to client. This could possibly be a result of lack of memory. Gateway action none recommended action none. Revision 1 parameters peer connection string context parameters alg module name alg session id connection 2.1.85. Il...

  • Page 73

    Context parameters alg module name alg session id connection 2.1.87. Illegal_direction2 (id: 00200221) default severity warning log message ftpalg: illegal direction for command(2), peer=. Closing connection. Explanation a command was sent in an invalid direction, and the connection will be closed. ...

  • Page 74

    Explanation a disallowed opts argument was received, and the command will be rejected. Gateway action rejecting_command recommended action none. Revision 1 parameters peer string context parameters alg module name alg session id connection 2.1.90. Unknown_option (id: 00200224) default severity warni...

  • Page 75

    Context parameters alg module name alg session id connection 2.1.92. Unknown_command (id: 00200226) default severity warning log message ftpalg: unknown command from . String=. Rejecting command. Explanation an unknown command was received, and the command will be rejected. Gateway action rejecting_...

  • Page 76

    Log message ftpalg: illegal multiline response () from . String=. Closing connection. Explanation an illegal multiline response was received from server, and the connection will be closed. Gateway action close recommended action none. Revision 1 parameters peer reply string context parameters alg mo...

  • Page 77

    Parameters peer string context parameters alg module name alg session id connection 2.1.97. Bad_port (id: 00200233) default severity critical log message ftpalg: bad port from , should be within the range (). String=. Closing connection. Explanation an illegal "port" command was received from the se...

  • Page 78: 00200236)

    2.1.99. Failed_to_create_connection2 (id: 00200235) default severity error log message ftpalg: failed to create connection(2) peer= connection=. String=. Explanation an error occured when creating a data connection from the client to server. This could possibly be a result of lack of memory. Gateway...

  • Page 79

    Gateway action none recommended action none. Revision 1 parameters peer context parameters alg module name alg session id connection 2.1.102. Failed_to_register_rawconn (id: 00200238) default severity error log message ftpalg: internal error - failed to register eventhandler. Closing connection expl...

  • Page 80

    Have been released. Gateway action close recommended action if the maximum number of ftp sessions is too low, increase it. Revision 1 parameters max_sessions context parameters alg module name 2.1.105. Failed_create_new_session (id: 00200242) default severity error log message ftpalg: failed to crea...

  • Page 81

    Is a content type mismatch, data is discarded. Gateway action data_blocked_control_and_data_channel_closed recommended action none. Revision 1 parameters filename filetype context parameters alg module name alg session id 2.1.108. Failed_to_send_command (id: 00200251) default severity notice log mes...

  • Page 82

    Default severity notice log message ftpalg: requested file: is blocked as this file is identified as type , which is in block list. Explanation the file is present in the block list. It will be blocked as per configuration. Gateway action data_blocked_control_and_data_channel_closed recommended acti...

  • Page 83

    2.1.113. Illegal_command (id: 00200267) default severity warning log message ftpalg: rest from not allowed, rejecting command explanation the client tried to issue a "rest" command, which is not valid since the client is not allowed to do this. The command will be rejected. Gateway action rejecting_...

  • Page 84

    Revision 2 parameters peer message state context parameters alg module name alg session id connection 2.1.116. Decode_failed (id: 00200302) default severity warning log message h323alg: decoding of message from peer failed. Closing session explanation the h.225 parser failed to decode the h.225 mess...

  • Page 85

    Default severity warning log message h323alg: failed before encoding message from peer. Closing session explanation the asn.1 encoder failed to allocate memory used for encoding of the message. The alg session will be closed. Gateway action close recommended action none. Revision 1 parameters peer m...

  • Page 86: 00200308)

    Parameters peer context parameters alg module name alg session id connection 2.1.121. Encode_failed (id: 00200307) default severity warning log message h323alg: failed after encoding h.245 message. Closing connection explanation the h.245 encoder failed to encode the message. The alg session will be...

  • Page 87: (Id: 00200311)

    Log message h323alg: no more connections allowed for this call explanation the maximum number of concurrent logical channels (calls) has been reached for this session. Gateway action none recommended action if the maximum number of concurrent logical channels (calls) per session is too low, increase...

  • Page 88

    Connection 2.1.126. Max_h323_session_reached (id: 00200312) default severity warning log message h323alg: maximum number of h.323 sessions () for service reached. Closing connection. Explanation the maximum number of concurrent h.323 sessions has been reached for this service. No more sessions can b...

  • Page 89: (Id: 00200317)

    Revision 1 parameters max_sessions context parameters alg module name 2.1.129. Failed_create_new_session (id: 00200315) default severity warning log message h323alg: failed to create new gatekeeper session (out of memory) explanation could not create a new h.323 gatekeeper session due to lack of mem...

  • Page 90

    Parameters peer context parameters alg module name alg session id connection 2.1.132. Packet_failed_initial_test (id: 00200350) default severity warning log message tftpalg: packet failed initial test (invalid tftp packet). Packet length explanation an invalid tftp packet was received. Refusing conn...

  • Page 91

    Gateway action reject recommended action if command should be allowed modify the tftp alg configuration. Revision 1 parameters command context parameters alg module name alg session id connection 2.1.135. Option_value_invalid (id: 00200354) default severity warning log message tftpalg: option contai...

  • Page 92

    Log message tftpalg: option tsize value exceeding allowed max value explanation option tsize value exceeding allowed value.Closing connection. Gateway action reject recommended action if connection should be allowed modify the filetransfersize of the tftp alg configuration . Revision 1 parameters va...

  • Page 93

    Alg session id connection 2.1.140. Unknown_option_blocked (id: 00200359) default severity warning log message tftpalg: request contained unknown option explanation request contained unknown option.Closing connection. Gateway action close recommended action if connection should be allowed modify the ...

  • Page 94

    Revision 1 parameters option value context parameters alg module name alg session id connection 2.1.143. Option_value_invalid (id: 00200362) default severity warning log message tftpalg: option contained no readable value explanation option contained no readable value.Closing connection. Gateway act...

  • Page 95

    Service reached. Closing connection explanation the maximum number of concurrent tftp sessions has been reached for this service. No more sessions can be opened before old sessions have been released. Gateway action close recommended action if the maximum number of tftp sessions is too low, increase...

  • Page 96

    Default severity error log message tftpalg: failed to create listening connection,internal error(). Closing session explanation the unit failed to create listening connection, resulting in that the alg session could not be successfully opened. Gateway action close recommended action none. Revision 1...

  • Page 97

    Parameters opcode packet_length context parameters alg module name alg session id connection 2.1.151. Transfer_size_exceeded (id: 00200370) default severity warning log message tftpalg: received bytes exceeding allowed max value explanation transferred bytes exceeding allowed value.Closing connectio...

  • Page 98

    Gateway action close recommended action none. Revision 1 context parameters alg module name 2.1.154. Failed_create_connection (id: 00200373) default severity error log message tftpalg: failed to create listening connection,internal error(). Closing session explanation the unit failed to create liste...

  • Page 99

    Explanation the maximum number of concurrent pop3 sessions has been reached for this service. No more sessions can be opened before old sessions have been released. Gateway action close recommended action if the maximum number of pop3 sessions is too low, increase it. Revision 1 parameters max_sessi...

  • Page 100

    Explanation an attempt to allocate memory failed. Gateway action close recommended action try to free up unwanted memory. Revision 1 context parameters alg module name alg session id 2.1.160. Blocked_filetype (id: 00200384) default severity notice log message pop3alg: requested file: is blocked as t...

  • Page 101

    Default severity error log message pop3alg: base 64 decode failed. Attachment blocked explanation the data sent to base64 decoding failed. This can occur if the email sender sends incorrectly formatted data. The attachment has been blocked. Gateway action block_data recommended action research how t...

  • Page 102: 00200391)

    Linebegin" context parameters alg module name alg session id 2.1.165. Response_blocked_invalid_len (id: 00200389) default severity warning log message pop3alg: response blocked.Invalid response length explanation the server is sending response with invalid response length. The response will be block...

  • Page 103: 00200392)

    Explanation received type of data in the packet and its actual type do not match. As there is a mismatch and mime type check is disabled, the data will be allowed. Gateway action allow recommended action content type should be matched. Revision 2 parameters filename filetype sender_email_address con...

  • Page 104

    2.1.170. Unknown_command_blocked (id: 00200394) default severity warning log message pop3alg: unknown command blocked. Explanation the client is sending unknown command. The command will be blocked. Gateway action block recommended action if the command are to be allowed change the alg configuration...

  • Page 105

    Alg session id 2.1.173. Top_mail_end_blocked (id: 00200398) default severity warning log message pop3alg: the last part of mail retreived with top command blocked. Explanation only part of mail retrieved using top command was received. The last part was therefore blocked by the security gateway. Gat...

  • Page 106

    Recommended action decrease the maximum allowed tlsalg sessions, or try to free some of the ram used. Revision 1 context parameters alg module name 2.1.176. Failure_connect_http_server (id: 00200452) default severity error log message tlsalg: failed to connect to the http server. Closing connection....

  • Page 107: 00200456)

    Supported so an alert was sent to let the peer know that there will be no renegotiation. Gateway action tls_alert_sent recommended action none. Revision 1 parameters algname context parameters alg module name alg session id 2.1.179. Tls_alert_sent (id: 00200455) default severity error log message tl...

  • Page 108

    2.1.181. Ssl_renegotiation_attempted (id: 00200457) default severity error log message tlsalg: ssl renegotiation attempted but not supported. Explanation the ssl peer initiated a renegotiation. Renegotiation is however not supported so the tls alg session will be closed. Gateway action close recomme...

  • Page 109

    Revision 1 parameters message_type algname context parameters alg module name alg session id 2.1.184. Tls_bad_message_order (id: 00200460) default severity error log message tlsalg: bad tls handshake message order. Explanation a tls handshake message of a type that is not expected in the current sta...

  • Page 110

    Tls connection of a tls alg session. The tls alg session will be closed. Gateway action close recommended action none. Revision 1 parameters algname context parameters alg module name alg session id 2.1.187. Tls_failed_to_verify_finished (id: 00200463) default severity error log message tlsalg: fail...

  • Page 111

    Default severity error log message sipalg: sdp message parsing failed explanation sdp part of message failed parsing due to malformed message. Reason: [reason]. Gateway action drop recommended action examine why client or server is sending a malformed sdp message. Revision 2 parameters reason from_u...

  • Page 112

    Gateway action drop recommended action examine why client or server is sending a malformed sip message. Revision 2 parameters reason from_uri to_uri srcip srcport destip destport context parameters alg module name 2.1.192. Sip_message_validation_failed (id: 00200504) default severity error log messa...

  • Page 113

    From_uri to_uri srcip srcport destip destport context parameters alg module name 2.1.194. Registration_hijack_detected (id: 00200506) default severity alert log message registration hijack attempt detected explanation the number of registration attempts [reg_hijack_count] has been exceeded. Gateway ...

  • Page 114

    2.1.196. Sip_request_response_timeout (id: 00200508) default severity warning log message sipalg: sip request-response timeout explanation sip request-response timeout for the session [method]. The session will be deleted. Gateway action close recommended action if the configured sip request-respons...

  • Page 115: 00200512)

    Log message sipalg: unsuccessful registration explanation the user failed to register. Reason: [reason]. Gateway action drop recommended action none. Revision 2 parameters reason from_uri to_uri srcip srcport destip destport context parameters alg module name 2.1.199. Unsuccessful_unregistration (id...

  • Page 116

    Revision 2 parameters reason from_uri to_uri srcip srcport destip destport context parameters alg module name 2.1.201. Sipalg_session_created (id: 00200513) default severity notice log message sipalg: new sip-alg session created explanation new sip-alg session for [method] request created. Gateway a...

  • Page 117

    Context parameters alg module name 2.1.203. Failed_to_find_session (id: 00200515) default severity error log message sipalg: failed to find sipalg session explanation failed to find sipalg session. Reason: [reason]. Gateway action drop recommended action none. Revision 2 parameters reason from_uri t...

  • Page 118

    Explanation the sip-alg session state updated to [session_state] state. Gateway action allow recommended action none. Revision 2 parameters session_state from_uri to_uri srcip srcport destip destport context parameters alg module name 2.1.206. Sipalg_transaction_created (id: 00200520) default severi...

  • Page 119

    To_uri srcip srcport destip destport context parameters alg module name 2.1.208. Failed_to_find_transaction (id: 00200522) default severity warning log message sipalg: failed to find transaction explanation failed to find transaction for [method] request. Gateway action drop recommended action none....

  • Page 120

    2.1.210. Sipalg_transaction_state_updated (id: 00200524) default severity debug log message sipalg: transaction state updated explanation a sip-alg transaction state has been updated to [transaction_state] state. Gateway action allow recommended action none. Revision 2 parameters transaction_state f...

  • Page 121

    Recommended action the system is unstable and might require a reboot. Revision 2 parameters reason from_uri to_uri srcip srcport destip destport context parameters alg module name 2.1.213. Failed_to_find_role (id: 00200528) default severity error log message sipalg: failed to find role explanation s...

  • Page 122

    Destport context parameters alg module name 2.1.215. Failed_to_update_contact (id: 00200530) default severity error log message sipalg: failed to update contact explanation failed to update contact into session for [method] request. Gateway action drop recommended action none. Revision 2 parameters ...

  • Page 123

    Log message sipalg: failed to modify via in message explanation failed to modify the via header in message for [method] request. Gateway action drop recommended action none. Revision 2 parameters method from_uri to_uri srcip srcport destip destport context parameters alg module name 2.1.218. Failed_...

  • Page 124

    Parameters method from_uri to_uri srcip srcport destip destport context parameters alg module name 2.1.220. Failed_to_modify_request (id: 00200535) default severity error log message sipalg: failed to modify the request explanation failed to modify the topology info in the [method] request. Gateway ...

  • Page 125

    2.1.222. General_error (id: 00200537) default severity warning log message sipalg: general error explanation general error while processing message. Reason: [reason]. Gateway action drop recommended action none. Revision 2 parameters reason from_uri to_uri srcip srcport destip destport context param...

  • Page 126

    Gateway action drop recommended action change configuration to free up more ram. Revision 1 parameters message 2.1.225. Null_sip_message_received (id: 00200540) default severity error log message sipalg: sip packet reception error. Reason: explanation packet without data received. Gateway action dro...

  • Page 127

    Revision 1 parameters user_name contact context parameters alg module name 2.1.228. Dns_resolution_failed (id: 00200545) default severity critical log message failed to do dns resolve explanation an attempt to resolve dns failed. Reason: [reason]. Gateway action drop recommended action check if the ...

  • Page 128

    Dropped. Gateway action drop recommended action none. Revision 1 context parameters alg module name 2.1.231. Failed_to_parse_media (id: 00200549) default severity error log message sipalg: failed to parse media explanation failed to parse media for the request [method]. Gateway action drop recommend...

  • Page 129

    Context parameters alg module name 2.1.233. Max_tsxn_per_session_reached (id: 00200551) default severity warning log message sipalg: maximum number of sessions per service has been reached explanation the configured maximum number of transaction [max_tsxn_per_session] per sip session has been reache...

  • Page 130

    Explanation invalid session state found [session_invalid_state]. Gateway action close recommended action none. Revision 2 parameters session_invalid_state from_uri to_uri srcip srcport destip destport context parameters alg module name 2.1.236. Sipalg_callleg_created (id: 00200554) default severity ...

  • Page 131

    To_uri srcip srcport destip destport context parameters alg module name 2.1.238. Failed_to_find_callleg (id: 00200556) default severity warning log message sipalg: failed to find callleg explanation failed to find callleg for [method] request. Gateway action drop recommended action none. Revision 2 ...

  • Page 132

    Default severity notice log message sipalg: sipalg callleg deleted explanation the callleg for [method] request is deleted. Gateway action close recommended action none. Revision 2 parameters method from_uri to_uri srcip srcport destip destport context parameters alg module name alg session id 2.1.2...

  • Page 133

    Recommended action none. Revision 2 parameters callleg_state from_uri to_uri srcip srcport destip destport context parameters alg module name 2.1.243. Failed_to_modify_sat_request (id: 00200561) default severity error log message sipalg: failed to modify the sat request explanation failed to modify ...

  • Page 134

    Context parameters alg module name 2.1.245. Failed_create_new_session (id: 00200602) default severity critical log message pptpalg: failed to create new pptpalg session (out of memory) explanation an attempt to create a new pptpalg session failed. The unit has run out of memory. Gateway action close...

  • Page 135

    2.1.248. Pptp_tunnel_removed_client (id: 00200605) default severity notice log message pptpalg: pptp tunnel between client and security gateway removed explanation a pptp tunnel has been removed between the pptp client and the pptp-alg. Gateway action none recommended action none. Revision 1 context...

  • Page 136

    Default severity notice log message pptpalg: pptp session removed explanation a pptp session has been removed. Gateway action none recommended action none. Revision 1 context parameters alg session id alg module name 2.1.252. Pptp_malformed_packet (id: 00200609) default severity warning log message ...

  • Page 137: 2.2. Antispam

    2.2. Antispam these log messages refer to the antispam (anti-spam related events) category. 2.2.1. Recipient_email_changed_to_drop_address (id: 05900196) default severity notice log message smtpalg: recipient e-mail address is changed to dnsbl drop address explanation "rcpt to:" e-mail address is ch...

  • Page 138

    Revision 1 parameters type algname ipaddr 2.2.4. Dnsbl_ipcache_remove (id: 05900811) default severity notice log message ip removed from ip cache for due to timeout explanation an ip address was removed from the ip cache due to timeout. Gateway action none recommended action none. Revision 1 paramet...

  • Page 139

    Parameters type algname ipaddr 2.2.7. Dnsbl_ipcache_add (id: 05900814) default severity notice log message session for ip for is done with result explanation an ip address was added to the ip cache. Gateway action none recommended action none. Revision 1 parameters type algname ipaddr result 2.2.8. ...

  • Page 140

    Algname 2.2.10. Dnsbl_query_add (id: 05900817) default severity notice log message query created for ip to blacklist for explanation a dns query was created. Gateway action none recommended action none. Revision 1 parameters type algname ipaddr blacklist query 2.2.11. Dnsbl_blacklist_disable (id: 05...

  • Page 141

    Algname ipaddr 2.2.13. Dnsbl_record_truncated (id: 05900820) default severity warning log message dnsbl name not fit buffer for session with ip for explanation dnsbl name will not fit the string buffer and will be truncated. Gateway action none recommended action none. Revision 1 parameters type alg...

  • Page 142: 2.3. Antivirus

    2.3. Antivirus these log messages refer to the antivirus (anti-virus related events) category. 2.3.1. Virus_found (id: 05800001) default severity warning log message virus found in file . Virus name: . Signature: . Advisory id: . Explanation a virus has been detected in a data stream. Since anti-vir...

  • Page 143

    2.3.3. Excluded_file (id: 05800003) default severity notice log message file is excluded from scanning. Identified filetype: . Explanation the named file will be excluded from anti-virus scanning. The filetype is present in the anti-virus scan exclusion list. Gateway action allow_data_without_scan r...

  • Page 144

    Explanation the file could not be scanned by the anti-virus module since the decompression of the compressed file failed. Since anti-virus is running in audit mode, the data transfer will be allowed to continue. Gateway action allow_data recommended action change fail mode parameter to deny if files...

  • Page 145

    Resources. This can be a dos attack. Revision 1 parameters filename comp_ratio [layer7_srcinfo] [layer7_dstinfo] context parameters alg module name alg session id connection 2.3.8. Compression_ratio_violation (id: 05800008) default severity warning log message compression ratio violation for file . ...

  • Page 146

    Context parameters alg module name alg session id connection 2.3.10. Out_of_memory (id: 05800010) default severity error log message out of memory explanation memory allocation failed. Since anti-virus is running in protect mode, the data transfer will be aborted in order to protect the receiver. Ga...

  • Page 147

    Log message anti-virus scan engine failed for the file: explanation an error occured in the anti-virus scan engine. Since anti-virus is running in audit mode, the data transfer will be allowed to continue. Gateway action allow_data recommended action none. Revision 1 parameters filename [layer7_srci...

  • Page 148: 05800024)

    Default severity critical log message avse: virus scanning aborted. General error occured during initialization. Explanation anti-virus scanning is aborted since the scan engine returned a general error during initialization. Gateway action av_scanning_aborted recommended action try to restart the u...

  • Page 149: 05800025)

    Alg session id connection 2.3.18. Decompression_failed_encrypted_file (id: 05800025) default severity warning log message decompression failed for file . The file is encrypted. Explanation the file could not be scanned by the anti-virus module since the compressed file is encrypted with password pro...

  • Page 150

    Default severity warning log message smtpalg: content transfer encoding is unknown or not present. Explanation antivirus module cannot scan the attachment since the transfer encoding is missing or unknown. Fail mode is allow so data is allowed without scanning. Gateway action allow_data_without_scan...

  • Page 151

    Revision 1 parameters filename unknown_content_transfer_encoding sender_email_address context parameters alg module name alg session id 2.3.22. Unknown_encoding (id: 05800185) chapter 2. Log message reference 151.

  • Page 152: 2.4. Arp

    2.4. Arp these log messages refer to the arp (arp events) category. 2.4.1. Already_exists (id: 00300001) default severity notice log message an entry for this ip address already exists explanation the entry was not added as a previous entry for this ip address already exists in the arp table. Gatewa...

  • Page 153

    2.4.4. Arp_response_broadcast (id: 00300004) default severity notice log message arp response is a broadcast address explanation the arp response has a sender address which is a broadcast address. Allowing. Gateway action allow recommended action if this is not the desired behaviour, modify the conf...

  • Page 154

    2.4.7. Mismatching_hwaddrs_drop (id: 00300007) default severity notice log message arp hw sender does not match ethernet hw sender. Dropping explanation the hardware sender address specified in the arp data does not match the ethernet hardware sender address. Dropping packet. Gateway action drop rec...

  • Page 155

    2.4.10. Arp_resolution_success (id: 00300020) default severity notice log message arp entry was added to the arp cache. Explanation arp entry was added to the arp cache. Gateway action added_entry recommended action none. Revision 1 parameters enetaddr ipaddr iface 2.4.11. Arp_cache_size_limit_reach...

  • Page 156

    2.4.13. Arp_access_allowed_expect (id: 00300050) default severity notice log message allowed by expect rule in access section explanation the arp sender ip address is verified by an expect rule in the access section. Gateway action access_allow recommended action none. Revision 1 context parameters ...

  • Page 157

    Default severity notice log message arp response is a multicast address. Dropping explanation the arp response has a sender address which is a multicast address. This might be the case if there are load balancing network equipment in the network. Dropping packet. Gateway action drop recommended acti...

  • Page 158

    Knownhw newhw context parameters rule name packet buffer 2.4.18. Hwaddr_change_drop (id: 00300055) chapter 2. Log message reference 158.

  • Page 159: 2.5. Avupdate

    2.5. Avupdate these log messages refer to the avupdate (antivirus signature update) category. 2.5.1. Av_db_update_failure (id: 05000001) default severity alert log message update of the anti-virus database failed, because of explanation the unit tried to update the anti-virus database, but failed. T...

  • Page 160

    Log message anti-virus database could not be updated, as no valid subscription exist explanation the current license does not allow the anti-virus database to be updated. Gateway action none recommended action check the system's time and/or purchase a subscription. Revision 1 2.5.5. Av_detects_inval...

  • Page 161

    Gateway action downloading_new_database recommended action none. Revision 1 2.5.7. Unsynced_databases (id: 05000008) chapter 2. Log message reference 161.

  • Page 162: 2.6. Blacklist

    2.6. Blacklist these log messages refer to the blacklist (blacklist events) category. 2.6.1. Failed_to_write_list_of_blocked_hosts_to_media (id: 04600001) default severity critical log message failed to write list of blocked hosts to media explanation failed to write list of blocked hosts to media. ...

  • Page 163

    Default severity notice log message blacklist entry removed. Protocol: , ip: , port: . Explanation a blacklist entry has been removed. Gateway action none recommended action none. Revision 2 parameters proto ip port 2.6.5. Host_blacklisted (id: 04600006) default severity notice log message blacklist...

  • Page 164: 2.7. Buffers

    2.7. Buffers these log messages refer to the buffers (events regarding buffer usage) category. 2.7.1. Buffers_flooded (id: 00500001) default severity warning log message the buffers were flooded for seconds. Current usage is percent explanation the unit was temporarily out of buffers for a period of...

  • Page 165: 2.8. Conn

    2.8. Conn these log messages refer to the conn (state engine events, e.G. Open/close connections) category. 2.8.1. Conn_open (id: 00600001) default severity informational log message connection opened explanation a connection has been opened. Gateway action none recommended action none. Revision 1 c...

  • Page 166

    Context parameters rule name connection 2.8.4. Conn_open_natsat (id: 00600004) default severity informational log message connection opened explanation a connection has been opened. Gateway action none recommended action none. Revision 1 context parameters rule information connection packet buffer 2...

  • Page 167

    2.8.7. Out_of_connections (id: 00600011) default severity warning log message out of connections. Dropping connection attempt explanation the connection table is currently full, and this new connection attempt will be dropped. Gateway action drop recommended action none. Revision 1 context parameter...

  • Page 168

    Parameters protocol context parameters rule name packet buffer 2.8.10. No_return_route (id: 00600014) default severity warning log message failed to open a new connection since a return route to the sender address cant be found. Dropping packet explanation there was no return route found to the send...

  • Page 169

    Gateway action drop recommended action none. Revision 1 parameters protocol context parameters rule name packet buffer 2.8.13. Port_0_illegal (id: 00600020) default severity warning log message tcp/udp destination port or tcp source port was set to 0. Dropping explanation the tcp/udp destination or ...

  • Page 170

    Gateway action none recommended action none. Revision 1 context parameters rule name packet buffer 2.8.16. Conn_usage (id: 00600023) default severity informational log message connection used to forward a packet. Explanation a packet has passed through the connection. Gateway action none recommended...

  • Page 171

    Revision 1 context parameters alg module name alg session id rule information connection 2.8.19. Active_data (id: 00600102) default severity informational log message ftpalg: active data channel closed explanation an active data channel was closed. Gateway action none recommended action none. Revisi...

  • Page 172: 2.9. Dhcp

    2.9. Dhcp these log messages refer to the dhcp (dhcp client events) category. 2.9.1. Offered_ip_occupied (id: 00700001) default severity notice log message interface received a lease with an offered ip that appear to be occupied () explanation received a dhcp lease which appears to be in use by some...

  • Page 173

    Parameters iface ip netmask bcast gw context parameters packet buffer 2.9.4. Renewed_lease (id: 00700004) default severity notice log message interface have renewed its lease. The new lease is valid for seconds explanation an interface have successfully renewed its lease. Gateway action none recomme...

  • Page 174

    Recommended action check the dhcp server configuration or adjust the minimum leasetime limit. Revision 1 parameters iface lease_time minimum_lease_time context parameters packet buffer 2.9.7. Invalid_server_id (id: 00700008) default severity warning log message interface received a lease with an inv...

  • Page 175

    () explanation an interface received a lease with an invalid broadcast address. Gateway action drop recommended action check dhcp server configuration. Revision 1 parameters iface broadcast context parameters packet buffer 2.9.10. Invalid_offered_ip (id: 00700011) default severity warning log messag...

  • Page 176

    Default severity warning log message interface received a lease where the offered broadcast equals the offered gateway explanation an interface received a lease where the offered broadcast address is equal with the offered gateway address. Gateway action drop recommended action check dhcp server con...

  • Page 177

    Parameters iface dhcp_route configured_route context parameters packet buffer 2.9.14. Route_collision (id: 00700015) chapter 2. Log message reference 177.

  • Page 178: 2.10. Dhcprelay

    2.10. Dhcprelay these log messages refer to the dhcprelay (dhcp relayer events) category. 2.10.1. Unable_to_save_dhcp_relay_list (id: 00800001) default severity warning log message unable to auto save the dhcp relay list to disk explanation unable to autosave the dhcp relay list to disk. Gateway act...

  • Page 179

    Log message incorrect bootp/dhcp cookie. Dropping explanation received a packet with an incorrect bootp/dhcp cookie. Gateway action drop recommended action investigate what client implementation is being used. Revision 1 context parameters packet buffer 2.10.5. Maximum_ppm_for_relayer_reached (id: 0...

  • Page 180: 00800010)

    Explanation the maxmimum hop limit for the dhcp packet have been reached. Gateway action none recommended action verify maximum-hop-limit setting. Revision 1 context parameters packet buffer 2.10.8. Client_release (id: 00800008) default severity warning log message client requested release. Relay ca...

  • Page 181: (Id: 00800011)

    Gateway action drop recommended action verify max-relay-routes-limit. Revision 1 context parameters rule name 2.10.11. Unable_to_add_relay_route_since_out_of_memory (id: 00800011) default severity error log message internal error: out of memory: can't add dhcp relay route. Dropping explanation unabl...

  • Page 182: (Id: 00800014)

    Context parameters rule name packet buffer 2.10.14. Bad_inform_pkt_with_mismatching_source_ip_and_client_ip (id: 00800014) default severity warning log message inform packet did not pass through a relayer but the packet source ip and the client ip doesnt match. Dropping explanation received non rela...

  • Page 183: 00800018)

    Recommended action verify max-relay-per-interface setting. Revision 1 parameters max_relays context parameters rule name packet buffer 2.10.17. Dhcp_server_is_unroutable (id: 00800017) default severity warning log message bootp/dhcp-server at is unroutable. Dropping explanation unable to find route ...

  • Page 184: (Id: 00800022)

    Gateway action drop recommended action investigate what client implementation is being used. Revision 1 parameters gateway_ip context parameters rule name packet buffer 2.10.20. Relayed_request (id: 00800020) default severity notice log message relayed dhcp-request from client to explanation relayed...

  • Page 185

    Default severity warning log message received reply for client on a non security equivalent interface. Dropping explanation received a reply for a client on a non security equivalent interface. Gateway action drop recommended action verify security-equivalent-interface setting. Revision 1 parameters...

  • Page 186

    Context parameters rule name packet buffer 2.10.25. Ambiguous_host_route (id: 00800025) default severity warning log message a host route for already exists which points to another interface. Dropping explanation an ambiguous host route indicating another interface was detected trying to setup a dyn...

  • Page 187

    Revision 1 parameters client_hw context parameters rule name packet buffer 2.10.28. Relayed_dhcp_reply (id: 00800028) default severity notice log message relayed dhcp-reply to gateway explanation relayed dhcp reply to a gateway. Gateway action none recommended action none. Revision 1 parameters type...

  • Page 188: 2.11. Dhcpserver

    2.11. Dhcpserver these log messages refer to the dhcpserver (dhcp server events) category. 2.11.1. Unable_to_send_response (id: 00900001) default severity warning log message failed to get buffer for sending. Unable to reply explanation unable to get a buffer for sending. Gateway action none recomme...

  • Page 189: (Id: 00900006)

    Explanation the lease database was successfully saved to disk. Gateway action none recommended action none. Revision 1 2.11.5. Dhcp_packet_too_small (id: 00900005) default severity warning log message received dhcp packet which is smaller then the minimum allowed 300 bytes. Dropping explanation rece...

  • Page 190: (Id: 00900008)

    Explanation received a request from a bound client without state. Gateway action reject recommended action none. Revision 1 parameters client client_ip context parameters packet buffer 2.11.8. Request_for_ip_from_non_bound_client_without_state (id: 00900008) default severity warning log message rece...

  • Page 191

    Explanation received request with bad udp checksum. Gateway action drop recommended action check network equipment for errors. Revision 1 context parameters packet buffer 2.11.11. Lease_timeout (id: 00900012) default severity notice log message lease for ip timed out. Was bound to client explanation...

  • Page 192

    Gateway action none recommended action extend the pools to support more clients. Revision 1 context parameters rule name packet buffer 2.11.14. Sending_offer (id: 00900015) default severity notice log message received discover from client . Sending ip offer explanation received discover (initial ip ...

  • Page 193

    Recommended action none. Revision 1 parameters client_hw client_wanted client_offered context parameters rule name packet buffer 2.11.17. Request_for_non_bound_ip (id: 00900018) default severity warning log message client requested non bound ip. Rejecting explanation client requested a non bound ip....

  • Page 194

    Log message client renewed ip explanation client successfully renewed its lease. Gateway action renew recommended action none. Revision 1 parameters client_hw client_ip context parameters rule name packet buffer 2.11.20. Got_inform_request (id: 00900021) default severity notice log message got infor...

  • Page 195: (Id: 00900025)

    2.11.22. Decline_for_non_offered_ip (id: 00900023) default severity notice log message client declined non offered ip. Decline is ignored explanation client rejected non a offered ip. Gateway action none recommended action none. Revision 1 parameters client_hw context parameters rule name packet buf...

  • Page 196

    Parameters client client_ip context parameters packet buffer 2.11.25. Release_for_ip_on_wrong_iface (id: 00900026) default severity warning log message got release for ip on wrong interface (recv: , lease: ). Decline is ignored explanation got release from a client on the wrong interface. Gateway ac...

  • Page 197: 2.12. Dynrouting

    2.12. Dynrouting these log messages refer to the dynrouting (dynamic routing) category. 2.12.1. Failed_to_export_route_to_ospf_process_failed_to_alloc (id: 01100001) default severity critical log message failed to export route to ospf process (unable to alloc export node) explanation unable to expor...

  • Page 198

    Context parameters dynamic route rule name route 2.12.4. Failed_to_add_route_unable_to_alloc (id: 01100004) default severity critical log message failed to add route (unable to alloc route) explanation failed to create a route since out of memory. Gateway action alert recommended action check memory...

  • Page 199

    Route 2.12.6. Route_removed (id: 01100006) chapter 2. Log message reference 199.

  • Page 200: 2.13. Frag

    2.13. Frag these log messages refer to the frag (fragmentation events) category. 2.13.1. Individual_frag_timeout (id: 02000001) default severity warning log message individual fragment timed out. Explanation a fragment of an ip packet timed out, and is dropped. Gateway action drop recommended action...

  • Page 201

    Parameters srcip destip ipproto fragid fragact frags context parameters dropped fragments rule name 2.13.4. Fail_out_of_resources (id: 02000004) default severity critical log message out of reassembly resources. Frags: . - fragid: , state: explanation out of fragmentation-reassembly resources when p...

  • Page 202

    Context parameters dropped fragments rule name 2.13.6. Fail_timeout (id: 02000006) default severity critical log message time out reassembling. Frags: . - fragid: , state: explanation timed out when reassembling a fragmented ip packet. Dropping packet. Gateway action drop recommended action none. Re...

  • Page 203: 02000010)

    Default severity warning log message dropping stored fragments of disallowed packet. Frags: . - fragid: , state: explanation the fragments of a disallowed ip packet were dropped. Gateway action drop recommended action none. Revision 1 parameters srcip destip ipproto fragid fragact frags context para...

  • Page 204: 02000012)

    Explanation a completed reassembled ip packet contains extraneous fragments, which are dropped. Gateway action drop recommended action none. Revision 1 parameters srcip destip ipproto fragid fragact frags context parameters dropped fragments rule name 2.13.11. Learn_state (id: 02000011) default seve...

  • Page 205: 02000014)

    2.13.13. Drop_duplicate_frag (id: 02000013) default severity warning log message dropping duplicate fragment explanation a duplicate fragment of an ip packet was received. Dropping the duplicate fragment. Gateway action drop recommended action none. Revision 1 context parameters rule name packet buf...

  • Page 206

    Packet buffer 2.13.16. Bad_ipdatalen (id: 02000016) default severity error log message bad ipdatalen= explanation the partly reassembled ip packet has an invalid ip data length. Dropping packet. Gateway action drop recommended action none. Revision 1 parameters ipdatalen context parameters rule name...

  • Page 207: 02000020)

    Revision 1 context parameters rule name packet buffer 2.13.19. Bad_offs (id: 02000019) default severity error log message bad fragment offset explanation the fragment has an invalid offset. Dropping packet. Gateway action drop recommended action none. Revision 1 context parameters rule name packet b...

  • Page 208: 02000023)

    Context parameters rule name packet buffer 2.13.22. Partial_overlap (id: 02000022) default severity error log message fragments partially overlap explanation two fragments partially overlap. Dropping packet. Gateway action drop recommended action none. Revision 1 context parameters rule name packet ...

  • Page 209

    2.13.25. Already_completed (id: 02000025) default severity error log message dropping extraneous fragment of completed packet explanation a completed reassembled ip packet contains a extraneous fragment, which is dropped. Gateway action drop recommended action none. Revision 1 context parameters rul...

  • Page 210

    Default severity warning log message dropping fragment of illegal packet explanation a fragment of an illegal ip packet is dropped. Gateway action drop recommended action none. Revision 1 context parameters rule name packet buffer 2.13.29. Fragments_available_freeing (id: 02000100) default severity ...

  • Page 211

    Log message illegal fragment, last fragment with zero offset. Dropping packet. Explanation a fragment with more fragments flag cleared and an offset of zero is not a legal fragment. Dropping packet. Gateway action drop recommended action none. Revision 1 context parameters rule name packet buffer 2....

  • Page 212: 2.14. Gre

    2.14. Gre these log messages refer to the gre (gre events) category. 2.14.1. Failed_to_setup_gre_tunnel (id: 02200001) default severity warning log message failed to setup open tunnel from to explanation unable to setup gre tunnel with endpoint. Gateway action drop recommended action check conn usag...

  • Page 213

    Default severity warning log message gre packet with checksum error. Packet dropped explanation received gre packet with checksum errors. Gateway action drop recommended action check network equipment for errors. Revision 1 context parameters packet buffer 2.14.5. Gre_length_error (id: 02200005) def...

  • Page 214

    Recommended action check gre session key settings on the remote gateway. Revision 1 parameters session_key context parameters packet buffer 2.14.8. Gre_routing_flag_set (id: 02200008) default severity warning log message received gre packet with routing flag set. Packet dropped explanation received ...

  • Page 215: 2.15. Ha

    2.15. Ha these log messages refer to the ha (high availability events) category. 2.15.1. Peer_gone (id: 01200001) default severity notice log message peer firewall disappeared. Going active explanation the peer gateway (which was active) is not available anymore. This gateway will now go active inst...

  • Page 216

    Explanation both memebrs are active, but the peer has higher local load. This gateway will stay active. Gateway action stay_active recommended action none. Revision 1 2.15.5. Peer_has_lower_local_load (id: 01200005) default severity notice log message both active, peer has lower local load; deactiva...

  • Page 217

    Default severity notice log message conflict: both peers are inactive! Resolving... Explanation a conflict occured as both peers are inactive at the same time. The conflict will automatically be resolved. Gateway action none recommended action none. Revision 1 2.15.9. Peer_has_more_connections (id: ...

  • Page 218: 01200044)

    Revision 1 2.15.12. Heartbeat_from_unknown (id: 01200043) default severity warning log message received ha heartbeat from unknown ip. Dropping explanation the received ha heartbeat packet was originating from an unknown ip. The packet will be dropped. Gateway action drop recommended action none. Rev...

  • Page 219

    2.15.15. Merge_failed (id: 01200051) default severity warning log message failed to merge configuration from ha partner explanation the gateway failed to merge the configuration that was received from the peer. Gateway action ha_merge_conf recommended action none. Revision 1 2.15.16. Ha_commit_error...

  • Page 220

    Recommended action none. Revision 1 2.15.19. Linkmon_triggered_failover (id: 01200055) default severity notice log message ha node going inactive. Explanation linkmon requested the node to go inactive. Gateway action none recommended action none. Revision 1 parameters reason 2.15.20. Resync_conns_to...

  • Page 221: (Id: 01200201)

    2.15.22. Hasync_connection_disconnected_lifetime_expired (id: 01200201) default severity notice log message hasync connection lifetime expired. Reconnecting... Explanation the ha syncronization connection lifetime has expired. A new connection will be establised by reconnecting to the peer. Gateway ...

  • Page 222

    Gateway action drop recommended action none. Revision 1 context parameters rule name packet buffer 2.15.26. Sync_packet_on_nonsync_iface (id: 01200410) default severity warning log message received state sync packet on non-sync iface. Dropping explanation a ha state sync packet was recieved on a non...

  • Page 223: 01200616)

    Recommended action none. Revision 1 context parameters rule name packet buffer 2.15.29. Config_sync_failure (id: 01200500) default severity critical log message tried to synchronize configuration to peer 3 times without success. Giving up. Explanation the gateway tried to synchronize the configurati...

  • Page 224

    2.15.32. Action=going_online (id: 01200618) default severity notice log message ha unit going online. Explanation ha unit going online. Gateway action none recommended action none. Revision 1 parameters previous_shutdown= 2.15.32. Action=going_online (id: 01200618) chapter 2. Log message reference 2...

  • Page 225: 2.16. Hwm

    2.16. Hwm these log messages refer to the hwm (hardware monitor events) category. 2.16.1. Temperature_alarm (id: 04000011) default severity warning log message temperature monitor () is outside the specified limit. Current value is , lower limit is , upper limit is explanation the unit may be overhe...

  • Page 226

    Log message voltage monitor () is outside the specified limit. Current value is , lower limit is , upper limit is explanation the powersupply of this unit may be failing. Gateway action none recommended action change powersupply unit. Revision 1 parameters index name unit current_voltage min_limit m...

  • Page 227

    Parameters index name unit current_fanrpm min_limit max_limit 2.16.6. Fanrpm_normal (id: 04000032) default severity warning log message fan rpm monitor () is outside the specified limit. Current value is , lower limit is , upper limit is explanation the sensor reports that the fan rpm value is back ...

  • Page 228

    Default severity warning log message temperature monitor () is outside the specified limit. Current value is , lower limit is , upper limit is explanation the sensor reports that the gpio value is back inte the normal range. Gateway action none recommended action none. Revision 1 parameters index na...

  • Page 229

    Memory consumption. Revision 1 parameters limit_megabyte total_mem free_mem free_percentage severity 2.16.11. Free_memory_normal_level (id: 04000103) default severity notice log message the amount of free memory is in the normal range, free mb of total mb, percentage free explanation the memory usag...

  • Page 230: 2.17. Idp

    2.17. Idp these log messages refer to the idp (intrusion detection & prevention events) category. 2.17.1. Scan_detected (id: 01300001) default severity notice log message scan detected: , signature id=. Id rule: . Protocol: . Source ip: . Source port: . Destination ip: . Destination port: . Closing ...

  • Page 231

    Srcip srcport destip destport context parameters rule name deep inspection 2.17.3. Intrusion_detected (id: 01300003) default severity warning log message intrusion detected: , signature id=. Id rule: . Protocol: . Source ip: . Source port: . Destination ip: . Destination port: . Closing connection. ...

  • Page 232

    Srcip srcport destip destport context parameters rule name deep inspection 2.17.5. Scan_detected (id: 01300005) default severity notice log message scan detected: , signature id=. Id rule: . Protocol: . Source ip: . Source port: . Destination ip: . Destination port: . Explanation a scan signature ma...

  • Page 233

    Srcport destip destport context parameters rule name deep inspection 2.17.7. Intrusion_detected (id: 01300007) default severity notice log message intrusion detected: , signature id=. Id rule: . Protocol: . Source ip: . Source port: . Destination ip: . Destination port: . Explanation an attack signa...

  • Page 234

    Destport context parameters rule name deep inspection 2.17.9. Invalid_url_format (id: 01300009) default severity error log message failed to parse the http url. Id rule: . Url: . Source ip: . Source port: . Destination ip: . Destination port: . Closing connection. Explanation the unit failed parsing...

  • Page 235

    2.17.11. Idp_evasion (id: 01300011) default severity error log message failed to reassemble data. Id rule: . Source ip: . Source port: . Destination ip: . Destination port: . Closing connection. Explanation the unit failed to reassemble data. The reason for this is problaby due to an idp engine evas...

  • Page 236

    . Closing connection. Explanation the unit failed to scan data. The reason for this is due to low amount of memory. Gateway action close recommended action review your configuration. Revision 1 parameters idrule srcip srcport destip destport context parameters rule name 2.17.14. Idp_outofmem (id: 01...

  • Page 237

    Revision 1 parameters idrule srcip srcport destip destport reason context parameters rule name 2.17.16. Idp_failscan (id: 01300016) default severity error log message failed to scan data. Id rule: . Source ip: . Source port: . Destination ip: . Destination port: . Reason: . Explanation the unit fail...

  • Page 238: 2.18. Idppipes

    2.18. Idppipes these log messages refer to the idppipes (idp traffic shaping events) category. 2.18.1. Conn_idp_piped (id: 06100001) default severity warning log message idp pipe event triggered. Throughput limited to explanation an idp rule with pipe event triggered on the specified connection. The...

  • Page 239

    Recommended action issue the "memory" cli command and check for modules with abnormal memory consumption. Otherwise, revise configuration in order to free more ram. Revision 1 2.18.4. Idp_piped_state_replaced (id: 06100004) default severity debug log message replaced idp pipe host entry explanation ...

  • Page 240

    Parameters limit context parameters connection 2.18.7. Conn_idp_piped (id: 06100007) default severity warning log message idp dynamic pipe state found. Throughput limited to explanation a new connection is piped to [limit] kbps since either the source or destination ip is dynamically throttled by id...

  • Page 241: 2.19. Idpupdate

    2.19. Idpupdate these log messages refer to the idpupdate (intrusion detection & prevention database update) category. 2.19.1. Idp_db_update_failure (id: 01400001) default severity alert log message update of the intrusion detection & prevention database failed, because of explanation the unit tried...

  • Page 242

    Default severity notice log message intrusion detection & prevention database could not be updated, as no valid subscription exist explanation the current license does not allow intrusion detection & prevention database to be updated. Gateway action none recommended action check the system's time an...

  • Page 243

    Explanation the idp hardware and software databases are not synchronized. A full update is automatically initiated. Gateway action downloading_new_database recommended action none. Revision 1 2.19.7. Unsynced_databases (id: 01400009) chapter 2. Log message reference 243.

  • Page 244: 2.20. Ifacemon

    2.20. Ifacemon these log messages refer to the ifacemon (interface monitor events) category. 2.20.1. Ifacemon_status_bad_rereport (id: 03900001) default severity notice log message ifacemon reset interface 10 seconds ago. Link status: mbps duplex explanation the interface monitor reset the interface...

  • Page 245

    Revision 1 parameters iface [linkspeed] [duplex] 2.20.3. Ifacemon_status_bad (id: 03900004) chapter 2. Log message reference 245.

  • Page 246: 2.21. Ippool

    2.21. Ippool these log messages refer to the ippool (ippool events) category. 2.21.1. No_offer_received (id: 01900001) default severity error log message no offers were received explanation no dhcp offers where received by the ip pool general query. Gateway action none recommended action review dhcp...

  • Page 247

    2.21.4. Lease_disallowed_by_lease_filter (id: 01900004) default severity warning log message the lease was rejected due to a lease filter explanation a lease was rejected by a lease filter. Gateway action lease_rejected recommended action verify the lease filters. Revision 1 parameters client_ip con...

  • Page 248

    Default severity warning log message the lease was rejected due to a bad offered netmask address explanation a lease was rejected due to a bad offered netmask address. Gateway action lease_rejected recommended action check dhcp server configuration. Revision 1 parameters netmask context parameters r...

  • Page 249

    Log message the lease was rejected due to a bad offered gateway address explanation a lease was rejected due to a bad offered gateway address. Gateway action lease_rejected recommended action check dhcp server configuration. Revision 1 parameters gateway_ip context parameters rule name 2.21.11. Leas...

  • Page 250

    Explanation a lease was rejected since the offered ip already exists in the pool. Gateway action lease_rejected recommended action check ip pool configuration. Revision 1 parameters client_ip context parameters rule name 2.21.14. Pool_reached_max_dhcp_clients (id: 01900014) default severity error lo...

  • Page 251

    Revision 1 parameters client_ip subsystem context parameters rule name 2.21.17. Ip_returned_to_pool (id: 01900017) default severity notice log message subsystem returned an ip to the pool explanation a subsystem returned an ip to the pool. Gateway action inform recommended action none. Revision 1 pa...

  • Page 252: 2.22. Ipsec

    2.22. Ipsec these log messages refer to the ipsec (ipsec (vpn) events) category. 2.22.1. Fatal_ipsec_event (id: 01800100) default severity alert log message fatal event occured, because of explanation fatal event occured in ipsec stack. Gateway action none recommended action none. Revision 1 paramet...

  • Page 253

    Reason 2.22.4. Audit_flood (id: 01800104) default severity notice log message . Explanation the rate limit for audit messages was reached. Gateway action none recommended action none. Revision 1 parameters reason 2.22.5. Ike_delete_notification (id: 01800105) default severity notice log message loca...

  • Page 254

    Reason 2.22.7. Ike_invalid_proposal (id: 01800107) default severity warning log message local ip: , remote ip: , cookies: , reason: . Explanation the proposal for the security association could not be accepted. Gateway action none recommended action none. Revision 1 parameters local_ip remote_ip coo...

  • Page 255

    Parameters local_ip remote_ip cookies reason 2.22.10. Packet_corrupt (id: 01800110) default severity notice log message source ip: , destination ip: , spi: , seq: , protocol: , reason: . Explanation received a corrupt packet. Gateway action drop recommended action none. Revision 1 parameters source_...

  • Page 256

    Explanation the received packet did not fall within the sliding window. Gateway action drop recommended action none. Revision 1 parameters source_ip dest_ip spi seq protocol reason 2.22.13. Sa_lookup_failure (id: 01800113) default severity notice log message source ip: , destination ip: , spi: , seq...

  • Page 257

    Reason 2.22.15. Sequence_number_overflow (id: 01800115) default severity notice log message source ip: , destination ip: , spi: , seq: , protocol: , reason: . Explanation an attempt to transmit a packet that would result in sequence number overflow. Gateway action none recommended action none. Revis...

  • Page 258

    Gateway action drop recommended action none. Revision 1 parameters source_ip dest_ip spi seq protocol reason 2.22.18. Hardware_acceleration_failure (id: 01800118) default severity notice log message source ip: , destination ip: , spi: , seq: , protocol: , reason: . Explanation hardware acceleration ...

  • Page 259

    Explanation succeeded to commit ipsec configuration. Flows will be recalculated and reapplied. Gateway action none recommended action none. Revision 1 2.22.21. Ipsec_successfully_started (id: 01800202) default severity informational log message ipsec is up and running explanation ipsec configured an...

  • Page 260

    Log message disable all ipsec tunnels explanation disable all ipsec tunnels due to memory limitations. Gateway action disable_all_ipsec_interfaces recommended action none. Revision 1 2.22.25. Failed_create_audit_module (id: 01800207) default severity error log message failed to create audit module. ...

  • Page 261: 01800303)

    Default severity critical log message failed to initialize ipsec explanation failed to start ipsec. Gateway action ipsec_configuration_disabled recommended action restart. Revision 1 2.22.29. Ipsec_started_successfully (id: 01800214) default severity informational log message ipsec started successfu...

  • Page 262

    Recommended action none. Revision 1 parameters tunnel 2.22.32. Failed_to_set_algorithm_properties (id: 01800304) default severity error log message failed to set properties ipsec alogorithm , for tunnel explanation failed to set specified properties (keysize, lifetimes) for ipsec algorithm. Gateway ...

  • Page 263

    Parameters certificate tunnel 2.22.35. Dns_resolve_failed (id: 01800308) default severity warning log message failed to resolve remote gateway for ipsec tunnel . Keeping old ip explanation failed to resolve remote gateway through dns. Gateway action keeping_old_ip recommended action none. Revision 1...

  • Page 264

    Parameters gateway ipsectunnel 2.22.38. Failed_to_add_rules (id: 01800313) default severity error log message failed to add rules after remote gw: have been resolved by dns for ipsec tunnel: explanation failed to add rules to tunnel after remote gateway have been resolved by dns. Gateway action ipse...

  • Page 265

    Parameters gateway ipsectunnel ip 2.22.41. No_policymanager (id: 01800316) default severity critical log message no policymanager!! To free tunnel object from explanation no policymanager to free tunnel from!!! Ipsec does not work properly. Gateway action ipsec_out_of_work recommended action restart...

  • Page 266

    Log message failed with error: , when adding external key provider for certificate handling explanation failed to add external key provider. All certificate authantication will be disabled. Gateway action ipsec_disabled recommended action restart. Revision 1 parameters status_msg 2.22.45. Failed_to_...

  • Page 267

    Explanation failed to create local authorization object. Configured remote access groups will not be posible to use. Gateway action ipsec_disabled recommended action none. Revision 1 2.22.48. Failed_to_set_xauth (id: 01800328) default severity error log message failed set xauth for tunnel explanatio...

  • Page 268

    2.22.51. Ipsec_tunnel_added_bysgw (id: 01800334) default severity informational log message ipsec tunnel added by the security gateway explanation an ipsec tunnel has been added by the security gateway. Gateway action reconfiguration_by_sgw recommended action none. Revision 1 parameters username cli...

  • Page 269

    Default severity informational log message ipsec tunnel removed from the configuration explanation an ipsec tunnel has been disabled or removed from the configuration. Gateway action reconfiguration recommended action none. Revision 1 parameters client_ip username ipsec_tunnel 2.22.55. Tunnel_disabl...

  • Page 270

    Result, ipsec clients using config mode will not be able lease ip addresses. Gateway action none recommended action update your config mode configuration. Revision 1 parameters ippool 2.22.58. Cfgmode_ip_freed (id: 01800402) default severity notice log message returned a dynamic cfg mode ip to the i...

  • Page 271: (Id: 01800502)

    2.22.61. Recieved_plaintext_packet_for_disabled_ipsec_interface (id: 01800502) default severity warning log message ipsec tunnel is disabled. Packet will be dropped explanation a packed was dropped due to the ipsec interface being disabled. Gateway action packet_will_be_dropped recommended action th...

  • Page 272: 01800900)

    Explanation ipsec ping monitor detects loss if ping replies of packets inside the tunnel. Gateway action tunnel_will_disabled_after_8_number_of_lost_packets recommended action none. Revision 1 2.22.65. Ipsec_interface_disabled (id: 01800506) default severity error log message ipsec interface disable...

  • Page 273

    Parameters remotepeer 2.22.68. Sa_write_congestion (id: 01801337) default severity informational log message failed to write sa to nitrox ii due to congestion. Explanation there was not enough free buffers to write the sa to nitrox ii. Every new packet on the sa will trigger a new try. Gateway actio...

  • Page 274: 01802004)

    Default severity warning log message the rule is not in the active configuration. Dropping request for policy explanation the rule is not in the active configuration, dropping request. Gateway action dropping_request recommended action none. Revision 1 2.22.72. Malformed_packet (id: 01802003) defaul...

  • Page 275

    Revision 1 parameters maxtunnels 2.22.75. Ike_sa_failed (id: 01802022) default severity warning log message ike sa negotiation failed: local ike peer: remote ike peer: initiator spi: . Explanation negotiation of ike sa failed. Gateway action no_ike_sa recommended action none. Revision 2 parameters s...

  • Page 276

    Explanation no ike sa negotiations done because of authentication problems. Gateway action no_ike_sa recommended action none. Revision 1 2.22.78. Ike_sa_negotiation_failed (id: 01802031) default severity warning log message type of the local id is not key-id for the mamros-pskeyext negotiation. The ...

  • Page 278

    Gateway action none recommended action none. Revision 1 parameters kb sec 2.22.84. Ipsec_sa_lifetime (id: 01802046) default severity informational log message local lifetime child sa: seconds explanation inform about lifetime for child sa:. Gateway action none recommended action none. Revision 1 par...

  • Page 279

    2.22.87. Ipsec_sa_informal (id: 01802058) default severity informational log message local proxy id: , remote proxy id: explanation information about proxy id's for child sa. Gateway action none recommended action none. Revision 1 parameters local_id remote_id 2.22.88. Ipsec_invalid_protocol (id: 01...

  • Page 280: 01802100)

    Protocol. Gateway action vpn_tunnel_disabled recommended action reconfigure_ipsec. Revision 1 2.22.91. Create_rules_failed (id: 01802081) default severity error log message cannot insert this rule, the forced nat protocol type does not match rule protocol explanation failed to insert rule since forc...

  • Page 281: 01802104)

    2.22.94. Invalid_configuration_of_force_open (id: 01802104) default severity error log message auto-start rule does not specify single ip address or domain name for its remote peer explanation can not use auto-start rule (force open) for roaming tunnels. Gateway action vpn_tunnel_disabled recommende...

  • Page 282: 01802110)

    Recommended action none. Revision 1 2.22.98. Invalid_rule_setting (id: 01802108) default severity error log message no from-tunnel specified for an authentication-only rule explanation from-tunnel must be specified for an authentication-only rule. Gateway action none recommended action none. Revisio...

  • Page 283: 01802200)

    Log message detected suspicious outbound ipsec rule without any selectors explanation detected suspicious outbound ipsec rule without any selectors specified. Gateway action the_rule_might_not_work recommended action reconfigure_ipsec. Revision 2 2.22.102. No_algorithms_configured_for_tunnel (id: 01...

  • Page 284

    Explanation ah tunnel is configured without spetication algorithm. Gateway action vpn_tunnel_disabled recommended action reconfigure_tunnel. Revision 1 parameters tunnel 2.22.105. Ah_not_supported (id: 01802204) default severity error log message ah configured but not supported explanation tunnel [t...

  • Page 285

    Parameters tunnel 2.22.108. Invalid_tunnel_configuration (id: 01802210) default severity error log message both `auto-start' and `dont-initiate' specified for tunnel explanation both `auto-start' and `dont-initiate' can not be specified for a tunnel. Gateway action vpn_tunnel_disabled recommended ac...

  • Page 286

    Explanation algorithm key sizes specified for unknown algorithm. Gateway action vpn_tunnel_disabled recommended action reconfigure_tunnel. Revision 2 2.22.112. Invalid_key_size (id: 01802216) default severity error log message algorithm key sizes specified for unknown algorithm explanation algorithm...

  • Page 287

    2.22.115. Invalid_key_size (id: 01802219) default severity error log message tunnel specified key size limits for mac with fixed key size explanation configuration specifies key size limits for cipher with fixed key size. Gateway action vpn_tunnel_disabled recommended action reconfigure_tunnel. Revi...

  • Page 288: 01802402)

    Explanation malformed ike secret specified in configuration. Gateway action vpn_tunnel_invalid recommended action reconfigure_psk. Revision 1 2.22.119. Rule_selection_failed (id: 01802300) default severity notice log message rule selection failed: . Internal severity level: explanation rule selectio...

  • Page 289: 01802403)

    2.22.122. Max_active_quickmode_negotiation_reached (id: 01802403) default severity notice log message the maximum number of active quick-mode negotiations reached explanation maximum number of active quick-mode negotiations reached. Gateway action quick-mode_not_done recommended action none. Revisio...

  • Page 290: 01802603)

    Gateway action certificate_not_trusted recommended action none. Revision 1 2.22.126. Could_not_set_cert_to_non_crl_issuer (id: 01802603) default severity warning log message could not set ca certificate to non-crl issuer. This may cause authentication errors if valid crls are not available explanati...

  • Page 291

    Default severity error log message can not insert ca certificate into local database explanation can not insert ca certificate into local database. Gateway action certificate_disabled recommended action none. Revision 1 2.22.130. Could_not_decode_certificate (id: 01802607) default severity warning l...

  • Page 292

    2.22.133. Could_not_decode_crl (id: 01802610) default severity warning log message could not decode crl. The certificate may be corrupted or it was given in unrecognized format. File format may be wrong explanation could_not_decode_crl. Gateway action certificate_invalid recommended action none. Rev...

  • Page 293: 01802705)

    2.22.136. Certificate_contains_bad_ip_address (id: 01802705) default severity warning log message certificate contains bad ip address: length= explanation certificate contains bad ip address. Gateway action try_next_certificate recommended action none. Revision 1 parameters len 2.22.137. Dn_name_as_...

  • Page 294

    Explanation ike sa is destroyed. Gateway action ike_sa_killed recommended action none. Revision 1 parameters ike_sa 2.22.140. Cfgmode_exchange_event (id: 01802709) default severity informational log message event occured for config mode exchange: . Internal severity level: explanation config mode ex...

  • Page 295

    Recommended action none. Revision 1 parameters dns_server 2.22.143. Remote_access_wins (id: 01802712) default severity informational log message wins for remote access attributes: explanation wins for remote access attributes. Gateway action none recommended action none. Revision 1 parameters win 2....

  • Page 296

    Default severity warning log message event: occured for ike sa: . Internal severity level: explanation event occured at ike sa. Gateway action none recommended action none. Revision 1 parameters side msg int_severity 2.22.147. Ipsec_sa_selection_failed (id: 01802717) default severity warning log mes...

  • Page 297: 2.22.152. (Id: 01802735)

    Default severity warning log message ipsec sa negotiation event: , , . Internal severity level: explanation event occured for ipsec sa. Gateway action none recommended action none. Revision 2 parameters msg local_proxy remote_proxy int_severity 2.22.150. Ipsec_sa_event (id: 01802731) default severit...

  • Page 298: 2.22.153. (Id: 01802736)

    Log message l2tp negotiation event: . , . Internal severity level: explanation l2tp negotiation event. Gateway action l2tp_negotiation_event recommended action none. Revision 1 parameters side msg local_peer remote_peer int_severity 2.22.153. (id: 01802736) default severity informational log message...

  • Page 299

    Log message initialization of rule lookup failed explanation initialization of rule lookup failed. Gateway action ipsec_disabled recommended action none. Revision 1 2.22.156. Init_rule_looklup_failed (id: 01802904) default severity critical log message allocating default drop rule failed! Explanatio...

  • Page 300

    Default severity critical log message initialization of interface table failed explanation initialization of interface table failed. Gateway action ipsec_disabled recommended action none. Revision 1 2.22.160. Init_flow_id_table_failed (id: 01802908) default severity critical log message allocation o...

  • Page 301

    2.22.163. Init_transform_table_failed (id: 01802911) default severity critical log message allocation of transform table failed (size ) explanation allocation of transform table failed. Gateway action ipsec_disabled recommended action none. Revision 1 parameters size 2.22.164. Init_peer_hash_failed ...

  • Page 302: 01802916)

    Revision 1 2.22.167. Init_inbound_spi_hash_failed (id: 01802915) default severity critical log message allocation of inbound spi hash table failed explanation allocation of inbound spi hash table failed. Gateway action ipsec_disabled recommended action none. Revision 1 2.22.168. Init_transform_conte...

  • Page 303

    Explanation allocation of transform context table failed. Gateway action ipsec_disabled recommended action none. Revision 1 2.22.171. Init_nat_table_failed (id: 01802919) default severity critical log message allocation of nat tables failed explanation allocation of nat tables failed. Gateway action...

  • Page 304

    Log message opening the interceptor failed explanation opening the interceptor failed. Gateway action ipsec_disabled recommended action none. Revision 1 2.22.175. Malformed_ike_sa_proposal (id: 01803000) default severity warning log message malformed ike sa proposal: explanation received a malformed...

  • Page 305

    Default severity warning log message phase-1 notification from for protocol , spi : () ( bytes) explanation received a ike phase-2 notification. Gateway action none recommended action none. Revision 1 parameters status remote_peer proto spi msg type size 2.22.179. Ipsec_sa_failed (id: 01803020) defa...

  • Page 306

    2.22.181. Config_mode_exchange_event (id: 01803022) default severity informational log message config mode exchange event: . . Explanation a config mode exchange event occured. Gateway action none recommended action none. Revision 1 parameters msg reason 2.22.182. Config_mode_exchange_event (id: 018...

  • Page 307

    Gateway action none recommended action none. Revision 1 parameters msg reason 2.22.185. Config_mode_exchange_event (id: 01803026) default severity informational log message config mode exchange event: . Explanation a config mode exchange event occured. Gateway action none recommended action none. Re...

  • Page 308

    Revision 1 parameters remote_peer spi_size 2.22.188. Ike_phase2_notification (id: 01803029) default severity warning log message phase-2 notification from for protocol , spi : () ( bytes) explanation received a ike phase-2 notification. Gateway action none recommended action none. Revision 1 paramet...

  • Page 309

    Explanation could not verify remote peer's identity. Gateway action none recommended action none. Revision 1 2.22.191. Malformed_ipsec_sa_proposal (id: 01803050) default severity warning log message malformed ipsec sa proposal: explanation received a malformed ipsec sa proposal. Gateway action none ...

  • Page 310: 01803101)

    2.22.194. Failed_to_select_ipsec_proposal (id: 01803053) default severity warning log message could not select proposal for ipsec sa explanation could not select proposal for ipsec sa. Gateway action none recommended action none. Revision 2 parameters sa_index 2.22.195. Failed_to_select_ipsec_sa (id...

  • Page 311

    Gateway action none recommended action none. Revision 1 parameters msg int_severity 2.22.198. Ipsec_hwaccel_failed (id: 01803410) default severity warning log message failed to create a hardware acceleration context for ipsec sa ( spi ). Packets will be processed in software. Explanation hardware ac...

  • Page 312: 2.23. Ipv6_Nd

    2.23. Ipv6_nd these log messages refer to the ipv6_nd (neighbor discovery events) category. 2.23.1. Neighbor_discovery_resolution_failed (id: 06400009) default severity warning log message neighbor discovery resolution failed explanation neighbor discovery query was not resolved before the cache ent...

  • Page 313: 06400030)

    Revision 1 context parameters rule name packet buffer 2.23.4. Nd_spoofed_hw_sender (id: 06400029) default severity warning log message nd hw sender address matches our own address. Dropping packet. Explanation the neighbor discovery packet ethernet sender address appears to be our own. Dropping pack...

  • Page 314

    Revision 1 context parameters rule name packet buffer 2.23.7. Nd_option_hw_address_mismatch (id: 06400032) default severity warning log message nd link layer option enet sender mismatch. Dropping packet. Explanation the neighbor discovery packet link layer option does not match hw sender. Dropping p...

  • Page 315

    Context parameters rule name packet buffer 2.23.10. Nd_duplicated_option (id: 06400035) default severity warning log message the same nd option appears more than once in the same packet. Dropping packet. Explanation the neighbor discovery packet link layer address target appears more than once in th...

  • Page 316

    2.23.13. Nd_illegal_prefix_info_option_size (id: 06400038) default severity warning log message illegal option size. Dropping explanation the neighbor discovery packet option size is illegal. Dropping packet. Gateway action drop recommended action verify that no faulty network equipment exists. Revi...

  • Page 317

    Log message illegal option size. Dropping explanation the neighbor discovery packet option size is zero. Dropping packet. Gateway action drop recommended action verify that no faulty network equipment exists. Revision 1 context parameters rule name packet buffer 2.23.17. Nd_option_truncated (id: 064...

  • Page 318

    Packet. Gateway action drop recommended action verify that no faulty network equipment exists. Revision 1 context parameters rule name packet buffer 2.23.20. Nd_spoofed_target (id: 06400045) default severity warning log message neighbor advertisement target ip is my address, but ethernet address is ...

  • Page 319

    Default severity warning log message neighbor discovery packet from appears to have been routed. Dropping explanation the neighbor discovery packet ip header contains a hop limit smaller than 255. Dropping packet. Gateway action drop recommended action verify that no faulty network equipment exists....

  • Page 320

    2.23.25. Nd_access_allowed_expect (id: 06400050) default severity notice log message allowed by expect rule in access section explanation the neighbor discovery sender ip address is verified by an expect rule in the access section. Gateway action access_allow recommended action none. Revision 1 cont...

  • Page 321

    Default severity warning log message neighbor advertisement from without target link-layer option. Dropping packet. Explanation the neighbor advertisement packet is missing the target link-layer option. Dropping packet. Gateway action drop recommended action verify that no faulty network equipment e...

  • Page 322

    2.23.31. Nd_advert_for_static_entry (id: 06400056) default severity warning log message neighbor advertisement for static entry hw address , advertised as . Dropping packet. Explanation a neighbor advertisement for a configured static entry was received. Dropping packet. Gateway action drop recommen...

  • Page 323

    Revision 1 parameters ipaddress oldenet newenet context parameters rule name packet buffer 2.23.34. Nd_update_entry_request (id: 06400059) default severity notice log message nd cache entry update from to request. Dpd old address. Explanation a neighbor advertisement requests updating an entry in th...

  • Page 324

    Default severity warning log message neighbor discovery packet ethernet destination is broadcast. Dropping explanation the neighbor discovery packet ethernet destination is broadcast. Dropping packet. Gateway action drop recommended action verify that no faulty network equipment exists. Revision 1 c...

  • Page 325

    2.23.39. Nd_rs_illegal_option (id: 06400064) default severity warning log message router solicitation packet contains an illegal option. Dropping explanation the router solicitation packet contains a source link layer adderss option, this is illegal according to rfc4861. Dropping packet. Gateway act...

  • Page 326

    2.23.42. Nd_update_entry_request (id: 06400067) default severity notice log message nd cache entry update from to request. Dpd old address. Explanation a neighbor solicitation requests updating an entry in the neighbor discovery cache. Performing dead peer detection before allowing changes. Gateway ...

  • Page 327

    Gateway action drop recommended action verify that no faulty network equipment exists. Revision 1 parameters destip context parameters rule name packet buffer 2.23.45. Nd_dad_probe_faulty_dest (id: 06400070) default severity warning log message duplicate address probe with faulty destination address...

  • Page 328

    Default severity warning log message duplicate address reply received on . Ipv6 disabled. Explanation the link-local eui64-generated [iface] address is already occupied by another host in the network. Resolve the address conflict by changing the ethernet address on the interface or on the conflictin...

  • Page 329: 2.24. Ip_Error

    2.24. Ip_error these log messages refer to the ip_error (packet discarded due to ip header error(s)) category. 2.24.1. Too_small_packet (id: 01500001) default severity warning log message packet is too small to contain ipv4 header explanation the received packet is too small to contain an ipv4 heade...

  • Page 330

    Revision 1 parameters iptotlen iphdrlen context parameters rule name packet buffer 2.24.4. Invalid_ip_length (id: 01500004) default severity warning log message invalid ip header length, iptotlen=, recvlen= explanation the received packet ip total length is larger than the received transport data. D...

  • Page 331

    Explanation the received packet with flow label other than zero. Gateway action none recommended action none. Revision 1 parameters flow_label context parameters rule name packet buffer 2.24.7. Invalid_ip6_flow (id: 01500021) default severity warning log message invalid flow label value explanation ...

  • Page 332

    Explanation the received packet with traffic class other than zero. Gateway action strip recommended action none. Revision 1 parameters traffic_class context parameters rule name packet buffer 2.24.10. Invalid_ip6_tc (id: 01500024) default severity warning log message invalid traffic class value exp...

  • Page 333

    Default severity warning log message packet is too small to contain ipv6 header explanation the received packet is too small to contain an ipv6 header, and will be dropped. Gateway action drop recommended action none. Revision 1 context parameters rule name packet buffer 2.24.12. Too_small_packet (i...

  • Page 334: 2.25. Ip_Flag

    2.25. Ip_flag these log messages refer to the ip_flag (events concerning the ip header flags) category. 2.25.1. Ttl_low (id: 01600001) default severity warning log message received packet with too low ttl of . Min ttl is . Ignoring explanation the received packet has a ttl (time-to-live) field which...

  • Page 335

    Context parameters rule name packet buffer 2.25.4. Hop_limit_low (id: 01600004) default severity warning log message received packet with too low hoplimit of . Min hoplimit is . Ignoring explanation the received packet has a hoplimit field which is too low. Ignoring and forwarding packet anyway. Gat...

  • Page 336: 2.26. Ip_Opt

    2.26. Ip_opt these log messages refer to the ip_opt (events concerning the ip header options) category. 2.26.1. Source_route (id: 01700001) default severity notice log message packet has a source route explanation the packet has a source route. Ignoring. Gateway action ignore recommended action none...

  • Page 337

    2.26.4. Ipopt_present (id: 01700004) default severity notice log message ip option () is present explanation the packet contains an ip option. Ignoring. Gateway action ignore recommended action none. Revision 1 parameters ipopt optname context parameters rule name packet buffer 2.26.5. Ipoptlen_too_...

  • Page 338

    Avail context parameters rule name packet buffer 2.26.7. Multiple_ip_option_routes (id: 01700012) default severity warning log message multiple source/return routes in ip options. Dropping explanation there are multiple source/return routes specified among the ip options. Dropping packet. Gateway ac...

  • Page 339

    Recommended action none. Revision 1 parameters ipopt routeptr context parameters rule name packet buffer 2.26.10. Source_route_disallowed (id: 01700015) default severity warning log message source route ip option disallowed. Dropping explanation the packet has a source route, which is disallowed. Dr...

  • Page 340

    Recommended action none. Revision 1 parameters ipopt optlen context parameters rule name packet buffer 2.26.13. Bad_timestamp_pointer (id: 01700018) default severity warning log message ip option type : bad timestamp pointer . Dropping explanation the packet contains an invalid timestamp pointer. Dr...

  • Page 341

    Log message timestamp ip option disallowed. Dropping explanation the packet contains a timestamp ip option, which is disallowed. Dropping packet. Gateway action drop recommended action none. Revision 1 context parameters rule name packet buffer 2.26.16. Router_alert_bad_len (id: 01700021) default se...

  • Page 342

    Log message ip option () is present. Dropping explanation the packet contains an ip option, which is disallowed. Dropping packet. Gateway action drop recommended action none. Revision 1 parameters ipopt optname context parameters rule name packet buffer 2.26.19. Invalid_ip6payload_for_jumbo (id: 017...

  • Page 343

    Gateway action reject recommended action none. Revision 1 context parameters rule name 2.26.22. Invalid_ip6payload_for_jumbo (id: 01700042) default severity warning log message non zero ip6 payload length for jumbo option explanation received a non zero ip6 payload length jumbo option packet. Gatewa...

  • Page 344

    2.26.25. Recvd_jumbo (id: 01700045) default severity warning log message received a jumbo option packet explanation received a jumbo option packet. Gateway action drop recommended action none. Revision 1 context parameters rule name 2.26.26. Recvd_jumbo (id: 01700046) default severity warning log me...

  • Page 345

    Gateway action drop recommended action none. Revision 1 context parameters rule name 2.26.29. Rcvd_router_alert (id: 01700049) default severity warning log message received router alert option packet explanation received router alert option packet. Gateway action reject recommended action none. Revi...

  • Page 346

    Context parameters rule name packet buffer 2.26.32. Invalid_option (id: 01700052) default severity warning log message invalid ipv6 extension header option encountered. Explanation the packet contains an ipv6 extension header option of unknown type. Sending icmpv6 parameter problem to the packet ori...

  • Page 347

    Default severity warning log message received home address option packet explanation received home address option packet. Gateway action reject recommended action none. Revision 1 context parameters rule name 2.26.36. Invalid_padn_data (id: 01700056) default severity warning log message option data ...

  • Page 348

    Recommended action none. Revision 1 context parameters rule name 2.26.39. Invalid_optlen (id: 01700059) default severity warning log message option length is more than the specified number of bytes 5 explanation option length is more than the specified number of bytes 5. Gateway action drop recommen...

  • Page 349

    2.26.42. Invalid_optlen (id: 01700062) default severity warning log message option length is more than the size of extension header explanation option length is more than the size of extension header. Gateway action drop recommended action none. Revision 1 context parameters rule name 2.26.43. Inval...

  • Page 350

    Gateway action drop recommended action none. Revision 1 context parameters rule name 2.26.46. Repeated_option (id: 01700067) default severity warning log message received a packet with a repetitive options explanation received a packet with a repetitive options. Gateway action none recommended actio...

  • Page 351

    Parameters optcount context parameters rule name 2.26.49. Ip6_rhother (id: 01700070) default severity warning log message routing packet with type other than 0 or 2 explanation received routing packet other than 0 or 2. Gateway action none recommended action none. Revision 1 context parameters rule ...

  • Page 352

    Default severity warning log message routing header with type 2 packet explanation received routing header type 2 packet. Gateway action drop recommended action none. Revision 1 context parameters rule name 2.26.53. Ip6_rh0 (id: 01700074) default severity warning log message routing header with type...

  • Page 353

    Recommended action none. Revision 1 context parameters rule name packet buffer 2.26.56. Invalid_extnhdr_order (id: 01700077) default severity warning log message invalid header order explanation received a packet with invalid header order. Gateway action drop recommended action none. Revision 1 cont...

  • Page 354

    2.26.58. Invalid_ip6_exthdr (id: 01700079) chapter 2. Log message reference 354.

  • Page 355: 2.27. Ip_Proto

    2.27. Ip_proto these log messages refer to the ip_proto (ip protocol verification events) category. 2.27.1. Multicast_ethernet_ip_address_missmatch (id: 07000011) default severity warning log message received packet with a destination ip address that does not match the ethernet multicast address exp...

  • Page 356

    Explanation a packet was received with a ttl (time-to-live) field set to zero, which is not allowed. Dropping packet. Gateway action drop recommended action none. Revision 1 context parameters rule name packet buffer 2.27.4. Ttl_low (id: 07000014) default severity warning log message received packet...

  • Page 357

    Explanation the configured size limit for the tcp protocol was exceeded. Dropping packet. Gateway action drop recommended action this can be changed under the advanced settings section. Revision 1 parameters proto context parameters rule name packet buffer 2.27.7. Invalid_tcp_header (id: 07000019) d...

  • Page 358

    Default severity warning log message invalid udp header - ipdatalen=, udptotlen=. Dropping explanation the udp packet contains an invalid header. Dropping packet. Gateway action drop recommended action none. Revision 1 parameters ipdatalen udptotlen context parameters rule name packet buffer 2.27.10...

  • Page 359: 07000033)

    Packet buffer 2.27.12. Multicast_ethernet_ip_address_missmatch (id: 07000033) default severity warning log message received packet with a destination ip address that does not match the ethernet multicast address explanation a packet was received with an ip multicast ethernet address as destination a...

  • Page 360

    Dropping packet. Gateway action drop recommended action this can be changed under the advanced settings section. Revision 1 parameters proto context parameters rule name packet buffer 2.27.15. Oversize_ah (id: 07000052) default severity warning log message configured size limit for the ah protocol e...

  • Page 361

    Log message configured size limit for the ospf protocol exceeded. Dropping explanation the configured size limit for the ospf protocol was exceeded. Dropping packet. Gateway action drop recommended action this can be changed under the advanced settings section. Revision 1 parameters proto context pa...

  • Page 362

    Default severity warning log message configured size limit for the l2tp protocol exceeded. Dropping explanation the configured size limit for the l2tp protocol was exceeded. Dropping packet. Gateway action drop recommended action this can be changed under the advanced settings section. Revision 1 pa...

  • Page 363

    2.27.23. Hop_limit_low (id: 07000060) default severity warning log message received packet with too low hoplimit of . Min hoplimit is . Dropping explanation the received packet has a hoplimit field which is too low. Dropping packet. Gateway action drop recommended action none. Revision 1 parameters ...

  • Page 364: 07000074)

    Context parameters rule name packet buffer 2.27.26. Invalid_icmp_data_ip_ver (id: 07000072) default severity warning log message invalid icmp data. Icmpdatalen= icmpipver=. Dropping explanation an invalid ip version is specified in the icmp data. Version 4 expected. Dropping packet. Gateway action d...

  • Page 365: 07000075)

    Icmpipdataminlen=. Dropping explanation the icmp data length is invalid. The contained ip data must be atleast 8 bytes long. Dropping packet. Gateway action drop recommended action none. Revision 1 parameters icmpdatalen icmpipdatalen icmpipdataminlen context parameters rule name packet buffer 2.27....

  • Page 366

    Packet buffer 2.27.31. Dest_beyond_scope (id: 07000080) default severity warning log message destination is beyond the scope of the source address. Dropping explanation link-local source address and a global-scope destination address. Dropping packet. Gateway action drop recommended action verify th...

  • Page 367: 2.28. L2Tp

    2.28. L2tp these log messages refer to the l2tp (l2tp tunnel events) category. 2.28.1. L2tpclient_resolve_successful (id: 02800001) default severity notice log message l2tp client resolved to explanation the l2tp client successfully resolved the dns name of the remote gateway. Gateway action none re...

  • Page 368: 02800006)

    Parameters iface remotegw 2.28.4. L2tp_connection_disallowed (id: 02800004) default severity notice log message l2tp connection disallowed according to rule ! Tunnel id: , session id: explanation the l2tp connection is disallowed according to the specified userauth rule. Gateway action none recommen...

  • Page 369

    Gateway action drop recommended action make sure no manually configured routes to the l2tp server interface exists in the configuration. Revision 1 parameters iface 2.28.7. L2tp_session_closed (id: 02800007) default severity notice log message closed l2tp session. Session id: , tunnel id: explanatio...

  • Page 370

    Recommended action make sure the peer is capable of mppe encryption, or disable the mppe requirement. Revision 1 parameters iface sessionid remotegw 2.28.10. L2tp_session_request (id: 02800010) default severity notice log message l2tp session request sent. Tunnel id: explanation an l2tp session requ...

  • Page 371

    Recommended action make sure the userauth rules are configured correctly. Revision 1 parameters tunnelid sessionid 2.28.13. L2tp_session_request (id: 02800015) default severity notice log message l2tp session request received. Tunnel id: explanation a new session request was received on the specifie...

  • Page 372

    Gateway action accounting_disabled recommended action make sure the radius accounting configuration is correct. Revision 1 2.28.16. L2tpclient_tunnel_up (id: 02800018) default severity notice log message l2tp tunnel to is up. Tunnel id: explanation l2tp tunnel negotiated successfully. Gateway action...

  • Page 373

    Address to the interface. Revision 1 parameters iface 2.28.18. Waiting_for_ip_to_listen_on (id: 02800050) chapter 2. Log message reference 373.

  • Page 374: 2.29. Natpool

    2.29. Natpool these log messages refer to the natpool (events related to nat pools) category. 2.29.1. Uninitialized_ippool (id: 05600001) default severity error log message natpool has not been initialized explanation the natpool is not initialized. This can happen if the natpool contains no valid i...

  • Page 375

    Revision 1 parameters address poolname context parameters connection 2.29.4. Out_of_memory (id: 05600005) default severity error log message out of memory while allocating natpool state for explanation a state could not be allocated since the unit is out of memory. Gateway action drop recommended ac...

  • Page 376

    Parameters poolname 2.29.7. Proxyarp_failed (id: 05600008) default severity error log message could not add dynamic proxyarp route. Natpool explanation it was not possible to dynamically add a core route for the given ip address. Gateway action none recommended action try to configure a core route w...

  • Page 377

    Concurrent states are wanted. Revision 1 parameters poolname num_states replacedip 2.29.10. Registerip_failed (id: 05600011) default severity warning log message request to activate already active translation ip address in pool explanation attempt to activate an already active translation ip. Gatewa...

  • Page 378

    Revision 1 parameters poolname 2.29.13. Synchronization_failed (id: 05600014) default severity error log message failed to synchronize translation ip address to peer explanation failed to synchronize translation ip address to peer. Gateway action none recommended action check status of peer and veri...

  • Page 379: 2.30. Ospf

    2.30. Ospf these log messages refer to the ospf (ospf events) category. 2.30.1. Internal_error (id: 02400001) default severity warning log message internal error. Iface got ievent in istate . Ignored explanation internal error in the ospf interface state engine. Gateway action ignore recommended act...

  • Page 380

    Gateway action none recommended action check ospf interface configuration. Revision 1 parameters iface neighborid myifaceip context parameters rule name 2.30.4. Bad_packet_len (id: 02400004) default severity warning log message received ospf packet with bad length explanation received ospf packet wi...

  • Page 381

    Log message sender source not within interface range () explanation received ospf data from a neighboring router not within the receive interface range. Gateway action drop recommended action make sure all locally attached ospf routes are on the same network. Revision 1 parameters srcip ifacerange c...

  • Page 382

    Packet buffer 2.30.9. Hello_interval_mismatch (id: 02400009) default severity warning log message hello interval mismatch. Received was , mine is . Dropping explanation received ospf data from a neighboring router with a mismatching hello interval. Gateway action drop recommended action make sure al...

  • Page 383

    E-flag (describes how as-external-lsas are flooded) configuration. Gateway action drop recommended action make sure all locally attached ospf routers share the same e-flag configuration. Revision 1 parameters recv_e_flag my_e_flag context parameters rule name packet buffer 2.30.12. Hello_n_flag_mism...

  • Page 384

    Default severity warning log message unknown lsa type . Dropping explanation received ospf data from a neighbor which contained a unknown lsa. Gateway action drop recommended action check the configuration on the neighboring router. Revision 1 parameters lsatype context parameters rule name packet b...

  • Page 385

    Default severity warning log message authentication mismatch. Bad crypto key id. Received was , mine is explanation authentication failed due to a bad crypto key id. Gateway action drop recommended action verify that the neighboring ospf router share the same crypto key id. Revision 1 parameters rec...

  • Page 386

    Default severity warning log message checksum mismatch. Received was , mine is explanation received ospf data from neighbor with mismatching checksum. Gateway action drop recommended action check network equipment for problems. Revision 1 parameters recv_chksum my_chksum context parameters rule name...

  • Page 387

    2.30.23. I_flag_misuse (id: 02400102) default severity warning log message neighbor misused the i-flag. Restarting exchange explanation neighbor misused the i-flag. Gateway action restart recommended action none. Revision 1 parameters neighbor context parameters rule name 2.30.24. Opt_change (id: 02...

  • Page 388

    2.30.26. Non_dup_dd (id: 02400105) default severity warning log message neighbor sent a non dup dd from a higher state then exchange. Restarting exchange explanation received a non dup database descriptor from a neighbor in a higher state then exchange. Gateway action restart recommended action none...

  • Page 389

    2.30.29. Bad_lsa_sequencenumber (id: 02400108) default severity warning log message got lsa with bad sequence number . Restarting exchange explanation received a lsa with a bad sequence number. Gateway action restart recommended action none. Revision 1 parameters seqnum context parameters rule name ...

  • Page 390

    Default severity warning log message unknown lsa type (). Lsa is discarded explanation received lsa of unknown type. Gateway action discard recommended action check originating router configuration. Revision 1 parameters lsa_type context parameters rule name 2.30.33. Bad_lsa_sequencenumber (id: 0240...

  • Page 391: 02400155)

    Log message received as-ext lsa on stub. Lsa is discarded explanation received as external lsa which is illegal on a stub area. Gateway action discard recommended action none. Revision 1 context parameters rule name 2.30.36. Received_selforg_for_unknown_lsa_type (id: 02400155) default severity warni...

  • Page 392

    Default severity warning log message got ack for mismatched lsa (lsa- id: advrtr:). Ack ingored explanation received acknowledge for mismatched lsa. Gateway action none recommended action none. Revision 1 parameters lsa lsaid lsartr context parameters rule name 2.30.39. Upd_packet_lsa_size_mismatch ...

  • Page 393

    Default severity warning log message ack packet lsa size mismatch. Parsing aborted explanation received ospf ack packet with a mismatching lsa size. Gateway action abort recommended action none. Revision 1 context parameters rule name packet buffer 2.30.42. Failed_to_create_replacement_lsa (id: 0240...

  • Page 394

    Log message unknown neighbor(ip: id:) seen on . Ignoring explanation unknown neighbor seen on ptp based interface. Gateway action none recommended action check for incorrectly configured neighbors. Revision 1 parameters neighbor neighborid iface context parameters rule name 2.30.45. Too_many_neighbo...

  • Page 395: 02400301)

    Default severity warning log message unable to find transport area for vlink when building router lsa. Iface skipped explanation unable to find transport area for a vlink. Gateway action skip_iface recommended action check ospf area configuration. Revision 1 parameters area vlink context parameters ...

  • Page 396: (Id: 02400303)

    2.30.50. Memory_usage_exceeded_70_percent_of_max_allowed (id: 02400303) default severity warning log message memory usage for ospf process have now exceeded 70 percent of the maximum allowed explanation the memory usage for a ospf process have exceeded 70 percent of the maximum allowed. Gateway acti...

  • Page 397: (Id: 02400401)

    Context parameters rule name 2.30.53. Internal_lsa_chksum_error (id: 02400306) default severity critical log message lsa internal checksum error explanation internal lsa checksum error. Gateway action alert recommended action check hardware for defects. Revision 1 context parameters rule name 2.30.5...

  • Page 398: (Id: 02400402)

    2.30.56. Internal_error_unable_to_find_iface_connecting_to_lsa (id: 02400402) default severity warning log message internal error: unable to find my interface connecting to described lsa (netvtxid: ) explanation unable to find local interface connecting to described lsa. Gateway action none recommen...

  • Page 399: (Id: 02400405)

    Parameters rtrvtxid context parameters rule name 2.30.59. Internal_error_unable_neighbor_iface_attached_back_to_me (id: 02400405) default severity warning log message internal error: unable to find neighbor (rtrvtxid: ) interface attached back to me explanation unable to find neighbor interface atta...

  • Page 400

    Gateway action none recommended action contact support with a scenario description. Revision 1 parameters netvtxid context parameters rule name 2.30.62. Memory_allocation_failure (id: 02400500) default severity critical log message internal error: memory allocation failure! Ospf process now consider...

  • Page 401

    Revision 1 parameters route context parameters rule name 2.30.64. Failed_to_add_route (id: 02400502) chapter 2. Log message reference 401.

  • Page 402: 2.31. Ppp

    2.31. Ppp these log messages refer to the ppp (ppp tunnel events) category. 2.31.1. Ip_pool_empty (id: 02500001) default severity warning log message ipcp can not assign ip address to peer because the ip address pool is empty explanation ipcp can not assign an ip address to the peer because there ar...

  • Page 403: (Id: 02500004)

    Revision 1 parameters tunnel_type 2.31.4. Seconday_dns_address_required_but_not_received (id: 02500004) default severity warning log message secondary dns address required but not received. Ppp terminated explanation peer refuses to give out a secondary dns address. Since reception of a secondary dn...

  • Page 404: 02500050)

    Revision 1 parameters tunnel_type 2.31.7. Failed_to_agree_on_authentication_protocol (id: 02500050) default severity error log message failed to agree on authentication protocol. Ppp terminated explanation failed to agree on ppp authentication protocol. Ppp is terminated. Gateway action ppp_terminat...

  • Page 405

    Revision 1 parameters tunnel_type unsupported_lcp_option 2.31.10. Ppp_tunnel_limit_exceeded (id: 02500100) default severity alert log message ppp tunnel license limit exceeded. Ppp terminated explanation ppp is terminated because the license restrictions do not allow any more ppp tunnels. No new ppp...

  • Page 406

    2.31.13. Username_too_long (id: 02500151) default severity warning log message ppp chap username was truncated because it was too long explanation ppp chap username was truncated because it was too long. Gateway action chap_username_truncated recommended action reconfigure the endpoints to use a sho...

  • Page 407

    Gateway action pap_username_truncated recommended action reconfigure the endpoints to use a shorter username. Revision 1 parameters tunnel_type 2.31.17. Password_too_long (id: 02500351) default severity warning log message ppp pap password was truncated because it was too long explanation ppp pap pa...

  • Page 408

    2.31.20. Authdb_error (id: 02500502) default severity error log message local database authentication error. Ppp authentication terminated explanation there was an error while authenticating using a local user database. Ppp authentication terminated. Gateway action authentication_terminated recommen...

  • Page 409: 2.32. Pppoe

    2.32. Pppoe these log messages refer to the pppoe (pppoe tunnel events) category. 2.32.1. Pppoe_tunnel_up (id: 02600001) default severity notice log message pppoe tunnel on established to . Auth: , ifaceip: , downtime: explanation the pppoe tunnel for the interface have been established. . Gateway a...

  • Page 410: 2.33. Pptp

    2.33. Pptp these log messages refer to the pptp (pptp tunnel events) category. 2.33.1. Pptpclient_resolve_successful (id: 02700001) default severity notice log message pptp client resolved to explanation the pptp client succesfully resolved the dns name of remote gateway. Gateway action none recomme...

  • Page 411: 02700006)

    Revision 1 parameters rule remotegw callid 2.33.4. Unknown_pptp_auth_source (id: 02700004) default severity warning log message unknown pptp authentication source for ! Remote gateway: , call id: explanation the authentication source for the specified userauth rule found in the new configuration is ...

  • Page 412

    Interface by a route that was either manually configured or set up by another subsystem. Traffic can only be sent out on the pptp server using the dynamic routes set up by the interface itself. Gateway action drop recommended action make sure there are no manually configured routes pointing to the p...

  • Page 413

    Log message pptp session request sent on control connection to explanation an pptp session request has been sent on the control connection to the specified remote gateway. Gateway action none recommended action none. Revision 1 parameters remotegw 2.33.10. Unsupported_message (id: 02700010) default ...

  • Page 414

    Default severity warning log message ppp negotiation completed for session to on . User: , auth: , mppe: , assigned ip: explanation the ppp negotiation has completed successfully for this session. The specified interface, remote gateway and call id identify the specific session. Gateway action none ...

  • Page 415

    Recommended action none. Revision 1 parameters iface remotegw 2.33.15. Session_idle_timeout (id: 02700015) default severity warning log message pptp session to on has been idle for too long. Closing it. Explanation a pptp session has been idle for too long. Session will be closed. Gateway action clo...

  • Page 416

    Revision 1 parameters iface remotegw 2.33.18. Pptp_tunnel_up (id: 02700019) default severity notice log message pptp tunnel up, client connected to explanation a remote pptp client has established a connection to this pptp server. Gateway action none recommended action none. Revision 1 parameters if...

  • Page 417

    Revision 1 parameters iface remotegw 2.33.21. Pptp_tunnel_closed (id: 02700022) default severity notice log message pptp tunnel to on closed. Explanation the pptp tunnel to has been closed. Gateway action none recommended action none. Revision 1 parameters iface remotegw 2.33.22. Pptp_connection_dis...

  • Page 418

    Revision 1 parameters rule iface remotegw 2.33.24. Pptp_no_userauth_rule_found (id: 02700026) default severity warning log message did not find a matching userauth rule for the incoming pptp connection. Interface: , remote gateway: . Explanation the pptp server was unsuccessful trying to find a user...

  • Page 419

    Server interface. If the pptp server is supposed to listen on an ip assigned by a dhcp server, make sure that the dhcp server is working properly. Revision 1 parameters iface 2.33.26. Waiting_for_ip_to_listen_on (id: 02700050) chapter 2. Log message reference 419.

  • Page 420: 2.34. Reassembly

    2.34. Reassembly these log messages refer to the reassembly (events concerning data reassembly) category. 2.34.1. Ack_of_not_transmitted_data (id: 04800002) default severity informational log message tcp segment acknowledges data not yet transmitted explanation a tcp segment that acknowledges data n...

  • Page 421

    Revision 1 context parameters connection 2.34.4. Memory_allocation_failure (id: 04800005) default severity error log message can't allocate memory to keep track of a packet explanation the gateway is unable to allocate memory to keep track of packet that was received. The packet will be dropped. Gat...

  • Page 422: 04800010)

    Default severity notice log message maximum processing memory limit reached explanation the reassembly subsystem has reached the maximum limit set on its processing memory. This will decrease the performance of connections that are processed by the reassembly subsystem. Gateway action drop recommend...

  • Page 423: 2.35. Rfo

    2.35. Rfo these log messages refer to the rfo (route fail over events) category. 2.35.1. Has_ping (id: 04100001) default severity notice log message interface , table , net : route enabled, got ping reply from gw explanation route is available. Received ping reply from the gateway. Gateway action no...

  • Page 424

    Recommended action none. Revision 1 parameters iface table net gateway 2.35.4. Unable_to_register_pingmon (id: 04100004) default severity warning log message interface , table , net : route no longer monitored, unable to register ping monitor explanation internal error: the route is no longer monito...

  • Page 425

    Reply from gateway explanation route is available. Received arp reply from the gateway. Gateway action route_enabled recommended action none. Revision 2 parameters iface table net gateway 2.35.7. No_arp (id: 04100007) default severity error log message interface , table , net : route disabled, no ar...

  • Page 426

    2.35.9. Unable_to_register_arp_monitor (id: 04100009) default severity warning log message interface , table , net : route no longer monitored via arp, unable to register arp monitor explanation internal error: the route is no longer monitored. Failed to register arp route monitor. Gateway action di...

  • Page 427: 04100012)

    2.35.12. Unable_to_register_interface_monitor (id: 04100012) default severity error log message interface , table , net : route no longer monitored, unable to register interface monitor explanation internal error: route is no longer monitored. Unable to register interface monitor. Gateway action no_...

  • Page 428

    Revision 1 parameters iface table net 2.35.15. Hostmon_successful (id: 04100015) default severity notice log message interface , table , net : route enabled, host monitoring successful explanation route is available. Host monitoring successful. Gateway action route_enabled recommended action none. R...

  • Page 429: 2.36. Rule

    2.36. Rule these log messages refer to the rule (events triggered by rules) category. 2.36.1. Ruleset_fwdfast (id: 06000003) default severity notice log message packet statelessly forwarded (fwdfast) explanation the packet matches a rule with a "fwdfast" action, and is statelessly forwarded. Gateway...

  • Page 430

    Rule information packet buffer 2.36.4. Rule_match (id: 06000007) default severity debug log message return action trigged explanation a rule with a special return action was trigged by an ip-rule lookup. This log message only appears if you explicitly requested it for the rule in question, and it is...

  • Page 431

    Context parameters rule name packet buffer 2.36.7. Block127net (id: 06000012) default severity warning log message destination address is the 127.* net. Dropping explanation the destination address was the 127.* net, which is not allowed according to the configuration. The packet is dropped. Gateway...

  • Page 432

    Packet buffer 2.36.10. Block0net (id: 06000021) default severity warning log message destination address is the 0::/8 net. Accepting explanation the destination address was the 0::/8 net, which is allowed according to the configuration. The packet is accepted. Gateway action accept recommended actio...

  • Page 433

    2.36.13. Unknown_vlanid (id: 06000040) default severity warning log message received vlan packet with unknown tag . Dropping explanation the unit received a vlan packet with an unknown tag, and the packet is dropped. Gateway action drop recommended action none. Revision 2 parameters vlanid context p...

  • Page 434

    Default severity notice log message allowed but unhandled packet to the firewall. Dropping explanation a packet directed to the unit itself was received. The packet is allowed, but there is no matching state information for this packet. It is not part of any open connections, and will be dropped. Ga...

  • Page 435: 2.37. Sesmgr

    2.37. Sesmgr these log messages refer to the sesmgr (session manager events) category. 2.37.1. Sesmgr_session_created (id: 04900001) default severity notice log message session connected for user: . Database: . Ip: . Type: . Explanation new session created in session manager. Gateway action none rec...

  • Page 436

    Revision 1 parameters user database ip type 2.37.4. Sesmgr_access_set (id: 04900004) default severity notice log message access level changed to for user: . Database: . Ip: . Type: . Explanation access level has been changed for session. Gateway action none recommended action none. Revision 1 parame...

  • Page 437

    Gateway action deny_upload recommended action terminate administrator session and try again. Revision 1 parameters user ip type 2.37.7. Sesmgr_console_denied (id: 04900007) default severity warning log message could not create new console for user: . Database: . Ip: . Type: . Explanation could not c...

  • Page 438

    Revision 1 2.37.10. Sesmgr_session_activate (id: 04900010) default severity notice log message session has been activated for user: . Database: . Ip: . Type: . Explanation disabled session has been activated. Gateway action none recommended action none. Revision 1 parameters user database ip type 2....

  • Page 439

    Parameters user database ip type 2.37.13. Sesmgr_session_access_missing (id: 04900015) default severity warning log message no access level set for user: . Database: . Ip: . Type: . Explanation no access level set for user, new session denied. Gateway action deny_session recommended action check use...

  • Page 440

    Recommended action check available memory. Revision 1 2.37.16. Sesmgr_techsupport (id: 04900018) default severity notice log message sending technical support file. Explanation technical support file created and is being sent to user. Gateway action techsupport_created recommended action none. Revis...

  • Page 441: 2.38. Slb

    2.38. Slb these log messages refer to the slb (slb events) category. 2.38.1. Server_online (id: 02900001) default severity notice log message slb server is online according to monitor explanation a disabled server has been determined to be alive again. Gateway action adding this server to the active...

  • Page 442: 2.39. Smtplog

    2.39. Smtplog these log messages refer to the smtplog (smtplog events) category. 2.39.1. Unable_to_establish_connection (id: 03000001) default severity warning log message unable to establish connection to smtp server . Send aborted explanation the unit failed to establish a connection to the smtp s...

  • Page 443

    2.39.4. Receive_timeout (id: 03000005) default severity warning log message receive timeout from smtp server . Send aborted explanation the unit timed out while receiving data from the smtp server. No smtp log will be sent. Gateway action abort_sending recommended action none. Revision 1 parameters ...

  • Page 444

    Default severity warning log message smtp server rejected sender . Send aborted explanation the smtp server rejected the sender. No smtp log will be sent. Gateway action abort_sending recommended action verify that the smtp server is configured to accept this sender. Revision 1 parameters smtp_serve...

  • Page 445

    Gateway action none recommended action verify that the smtp server is properly configured. Revision 1 parameters smtp_server 2.39.11. Rejected_message_text (id: 03000012) default severity warning log message smtp server rejected message text. Send aborted explanation the smtp server rejected the mes...

  • Page 446: 2.40. Snmp

    2.40. Snmp these log messages refer to the snmp (allowed and disallowed snmp accesses) category. 2.40.1. Disallowed_sender (id: 03100001) default severity notice log message disallowed snmp from , disallowed sender ip explanation the sender ip address is not allowed to send snmp data to the unit. Dr...

  • Page 447: 2.41. Sshd

    2.41. Sshd these log messages refer to the sshd (ssh server events) category. 2.41.1. Out_of_mem (id: 04700001) default severity error log message out of memory explanation memory allocation failure. System is running low on ram memory. Gateway action close recommended action try to free some of the...

  • Page 448

    Default severity error log message occurred with the connection from client . Explanation an error occurred, and the connection will be closed. Gateway action close recommended action none. Revision 1 parameters error client 2.41.5. Invalid_mac (id: 04700007) default severity warning log message mac...

  • Page 449

    Gateway action close recommended action none. Revision 1 parameters fromname toname client 2.41.8. Invalid_username_change (id: 04700025) default severity warning log message service change is not allowed. From serivce to . Client: explanation user changed the service between two authentication phas...

  • Page 450

    Gateway action close recommended action increase the grace timeout value if it is set too low. Revision 1 parameters gracetime client 2.41.11. Ssh_inactive_timeout_expired (id: 04700036) default severity warning log message ssh session inactivity limit () has been reached. Closing connection. Client...

  • Page 451

    Revision 1 parameters client 2.41.14. Key_algo_not_supported. (id: 04700055) default severity error log message the authentication algorithm type is not supported. Client explanation the authentication algorithm that the client uses is not supported. Closing connection. Gateway action close recommen...

  • Page 452

    Recommended action none. Revision 1 parameters maxclients client 2.41.17. Client_disallowed (id: 04700061) default severity warning log message client not allowed access according to the "remotes" section. Explanation the client is not allowed access to the ssh server. Closing connection. Gateway ac...

  • Page 453

    Revision 1 parameters ip 2.41.19. Scp_failed_not_admin (id: 04704000) chapter 2. Log message reference 453.

  • Page 454: 2.42. Sslvpn

    2.42. Sslvpn these log messages refer to the sslvpn (sslvpn events.) category. 2.42.1. Sslvpn_session_created (id: 06300010) default severity informational log message ssl vpn session created :. Explanation ssl vpn session created [remoteip]:[remoteport]. Gateway action none recommended action none....

  • Page 455

    Default severity warning log message failed to send accounting start to radius accounting server. Accouting will be disabled. Interface: explanation failed to send start message to radius accounting server. Radius accounting will be disabled for this session. The specified interface, remote gateway ...

  • Page 456

    2.42.7. User_disconnected (id: 06300205) default severity informational log message user is forcibly disconnected. Remote gateway: explanation the connected client is forcibly disconnected by the userauth system. Gateway action none recommended action none. Revision 2 parameters user remotegw 2.42.8...

  • Page 457

    2.42.10. Sslvpn_no_userauth_rule_found (id: 06300226) default severity warning log message did not find a matching userauth rule for the incoming ssl vpn connection. Interface: , remote gateway: . Explanation the ssl vpn server was unsuccessful trying to find a userauth rule matching the incoming ss...

  • Page 458: 2.43. System

    2.43. System these log messages refer to the system (system-wide events: startup, shutdown, etc..) category. 2.43.1. Demo_expired (id: 03200020) default severity emergency log message the demo period for this copy of d-link firewall has expired. Please install license and re-run d-link firewall, or ...

  • Page 459

    Parameters oldtime newtime user 2.43.4. Reset_clock (id: 03200101) default severity notice log message the clock at was manually reset to explanation the clock has manually been reset. Gateway action none recommended action none. Revision 1 parameters oldtime newtime 2.43.5. Invalid_ip_match_access_...

  • Page 460

    Default severity error log message nitrox ii interfaces restarted. Explanation nitrox ii interfaces restarted. Gateway action none recommended action none. Revision 1 2.43.8. Hardware_watchdog_initialized (id: 03200260) default severity notice log message hardware watchdog found and initialized with...

  • Page 461: 03200400)

    Explanation failed to allocate a dynamic port, as all ports are in use. Gateway action none recommended action none. Revision 1 parameters reason localip destip port_base port_end 2.43.11. Port_hlm_conversion (id: 03200302) default severity notice log message using high load mode for local ip destin...

  • Page 462: (Id: 03200401)

    Default severity warning log message messages lost due to throttling explanation due to extensive logging, a number of log messages was not sent. Gateway action none recommended action examine why the unit sent such a large amount of log messages. If this is normal activity, the "logsendpersec" sett...

  • Page 463

    Gateway action none recommended action verify that the new configuration file does not contain errors that would cause bi-directional communication failure. Revision 2 parameters localcfgver remotecfgver timeout 2.43.17. Disk_cannot_remove_file (id: 03200601) default severity critical log message fa...

  • Page 464

    Protected. Revision 1 parameters old_cfg 2.43.20. Disk_cannot_rename (id: 03200604) default severity error log message failed to rename to explanation the unit failed to rename the new configuration file to the real configuration file name. Gateway action none recommended action verify that the disk...

  • Page 465

    Revision 1 2.43.23. Bidir_ok (id: 03200607) default severity notice log message configuration verified for bi-directional communication explanation the new configuration has been verified for communication back to peer, and will now be used as the active configuration. Gateway action none recommende...

  • Page 466

    2.43.26. Shutdown (id: 03201011) default severity notice log message shutdown aborted. Core file missing explanation the unit was issued a shutdown command, but no core executable file is seen. The shutdown process is aborted. Gateway action shutdown_gateway_aborted recommended action verify that th...

  • Page 467

    2.43.29. Startup_normal (id: 03202000) default severity notice log message security gateway starting. Core: . Build: . Current uptime: . Using configuration file , version . Previous shutdown: explanation the security gateway is starting up. Gateway action none recommended action none. Revision 2 pa...

  • Page 468

    Explanation the security gateway is shutting down. Gateway action shutdown recommended action none. Revision 1 parameters shutdown 2.43.32. Admin_login (id: 03203000) default severity notice log message administrative user logged in via . Access level: explanation an adminsitrative user has logged i...

  • Page 469

    Default severity warning log message administrative user failed to log in via , because of bad credentials explanation an adminsitrative user failed to log in to configuration system. This is most likely due to an invalid entered username or password. Gateway action disallow_admin_access recommended...

  • Page 470

    Revision 1 parameters authsystem 2.43.37. Accept_configuration (id: 03204001) default severity notice log message new configuration activated by user from . Explanation the new configuration has been successfully activated. Gateway action using_new_config recommended action none. Revision 1 paramete...

  • Page 471

    Recommended action none. Revision 2 parameters authsystem user pre_change_date_time post_change_date_time 2.43.40. Admin_timeout (id: 03206000) default severity notice log message administrative user timed out from explanation the administrative user has been inactive for too long, and has been auto...

  • Page 472

    Log message internal error occured when administrative user tried to login, not allowed access via explanation an internal error occured when the user tried to log in, and as a result has not been given administration access. Gateway action disallow_admin_access recommended action please contact the...

  • Page 473: 2.44. Tcp_Flag

    2.44. Tcp_flag these log messages refer to the tcp_flag (events concerning the tcp header flags) category. 2.44.1. Tcp_flags_set (id: 03300001) default severity notice log message the tcp and flags are set. Allowing explanation the possible combinations for these flags are: syn urg, syn psh, syn rst...

  • Page 474

    Explanation the tcp flag is set. Ignoring. Gateway action ignore recommended action none. Revision 1 parameters bad_flag context parameters rule name packet buffer 2.44.4. Tcp_flag_set (id: 03300004) default severity notice log message the tcp flag is set. Stripping explanation a "bad" tcp flag is s...

  • Page 475

    Syn rst, syn fin and fin urg. Gateway action drop recommended action if any of these combinations should either be ignored or having the bad flag stripped, specify this in configuration, in the "settings" sub system. Revision 1 parameters good_flag bad_flag context parameters rule name packet buffer...

  • Page 476

    2.44.9. Mismatched_syn_resent (id: 03300011) default severity warning log message mismatched syn "resent" with seq , expected . Dropping explanation mismatching sequence numbers. Dropping packet. Gateway action drop recommended action none. Revision 1 parameters seqno origseqno context parameters ru...

  • Page 477

    Parameters seqno expectseqno context parameters rule name connection packet buffer 2.44.12. Rst_out_of_bounds (id: 03300015) default severity warning log message originator rst seq is not in window .... Dropping explanation the rst flag sequence number is not within the receiver window. Dropping pac...

  • Page 478

    Default severity notice log message tcp acknowledgement is not in the acceptable range -. Dropping explanation a tcp segment with an unacceptable acknowledgement number was received during state syn_sent. The packet will be dropped. Gateway action drop recommended action none. Revision 1 parameters ...

  • Page 479

    Parameters seqno accstart accend context parameters rule name connection packet buffer 2.44.17. Tcp_recv_windows_drained (id: 03300022) default severity critical log message out of large tcp receive windows. Maximum windows: . Triggered times last 10 seconds. Explanation the tcp stack could not acce...

  • Page 480

    Explanation the tcp stack could not get a free socket. This event was triggered [num_events] times during the last 10 seconds. Gateway action none recommended action none. Revision 1 2.44.20. Tcp_seqno_too_low_with_syn (id: 03300025) default severity debug log message tcp sequence number is not in t...

  • Page 481: 2.45. Tcp_Opt

    2.45. Tcp_opt these log messages refer to the tcp_opt (events concerning the tcp header options) category. 2.45.1. Tcp_mss_too_low (id: 03400001) default severity notice log message tcp mss too low. Tcpmssmin= explanation the tcp mss is too low. Ignoring. Gateway action ignore recommended action non...

  • Page 482

    Gateway action none recommended action none. Revision 1 parameters tcpopt mss maxmss context parameters rule name packet buffer 2.45.4. Tcp_mss_too_high (id: 03400004) default severity notice log message tcp mss too high. Tcpmssmax=. Adjusting explanation the tcp mss is too high. Adjusting to use th...

  • Page 483

    2.45.6. Tcp_option (id: 03400006) default severity notice log message packet has a type tcp option explanation the packet has a tcp option of the specified type. Ignoring. Gateway action ignore recommended action none. Revision 1 parameters tcpopt context parameters rule name packet buffer 2.45.7. T...

  • Page 484

    Packet buffer 2.45.9. Bad_tcpopt_length (id: 03400011) default severity warning log message type claims length= bytes, avail= bytes. Dropping explanation the tcp option type does not fit in the option space. Dropping packet. Gateway action drop recommended action none. Revision 1 parameters tcpopt l...

  • Page 485

    Recommended action none. Revision 1 parameters tcpopt mss minmss context parameters rule name packet buffer 2.45.12. Tcp_mss_too_high (id: 03400014) default severity warning log message tcp mss too high. Tcpmssmax=. Dropping explanation the tcp mss is too high. Dropping packet. Gateway action drop r...

  • Page 486

    Explanation the packet has no syn, ack, fin or rst flag set. Dropping packet. Gateway action drop recommended action none. Revision 1 context parameters rule name packet buffer 2.45.15. Multiple_tcp_ws_options (id: 03400017) default severity warning log message multiple window scale options present ...

  • Page 487

    Explanation tcp segment with a window scale option specifying a different shift count than previous segments was received. The lower of the two values will be used. Gateway action adjust recommended action none. Revision 1 parameters old new effective context parameters connection packet buffer 2.45...

  • Page 488: 2.46. Threshold

    2.46. Threshold these log messages refer to the threshold (threshold rule events) category. 2.46.1. Conn_threshold_exceeded (id: 05300100) default severity warning log message connection threshold exceeded . Source ip: . Closing connection explanation the source ip is opening up new connections too ...

  • Page 489: 05300210)

    Recommended action investigate worms and dos attacks. Revision 1 parameters description threshold srcip context parameters rule name 2.46.4. Failed_to_keep_connection_count (id: 05300200) default severity error log message failed to keep connection count. Reason: out of memory explanation the device...

  • Page 490: 05300211)

    Explanation the number of connections matching the threshold rule and originating from a single host exceeds the configured threshold. Note: this log message is rate limited via an exponential back-off procedure. Gateway action none recommended action none. Revision 1 parameters threshold srcip [use...

  • Page 491: 05300213)

    Revision 1 parameters threshold srcip [username] context parameters rule name 2.46.9. Threshold_conns_from_filter_exceeded (id: 05300213) default severity notice log message the number of connections matching the rule exceeds . The offending host is . Explanation the number of connections matching t...

  • Page 492: 2.47. Timesync

    2.47. Timesync these log messages refer to the timesync (firewall time synchronization events) category. 2.47.1. Synced_clock (id: 03500001) default severity notice log message the clock at , was off by second(s) and synchronized with to explanation the clock has been synchronized with the time serv...

  • Page 493

    Revision 1 parameters clockdrift timeserver interval 2.47.3. Clockdrift_too_high (id: 03500003) chapter 2. Log message reference 493.

  • Page 494: 2.48. Transparency

    2.48. Transparency these log messages refer to the transparency (events concerning the transparent mode feature) category. 2.48.1. Impossible_hw_sender_address (id: 04400410) default severity warning log message impossible hardware sender address 0000:0000:0000. Dropping. Explanation some equipment ...

  • Page 495

    Recommended action none. Revision 1 context parameters rule name packet buffer 2.48.4. Enet_hw_sender_broadcast (id: 04400413) default severity warning log message ethernet hardware sender is a broadcast address. Dropping. Explanation the ethernet hardware sender address is a broadcast address. The ...

  • Page 496

    Gateway action rewrite recommended action none. Revision 1 context parameters rule name packet buffer 2.48.7. Enet_hw_sender_multicast (id: 04400416) default severity warning log message ethernet hardware sender is a multicast address. Dropping. Explanation the ethernet hardware sender address is a ...

  • Page 497

    Recommended action none. Revision 1 parameters recvif 2.48.10. Invalid_stp_frame (id: 04400419) default severity warning log message incoming stp frame from dropped. Reason: explanation an incoming spanning-tree frame has been dropped since it is either malformed or its type is unknown. Supported sp...

  • Page 498

    Revision 1 parameters recvif 2.48.13. Invalid_mpls_packet (id: 04400422) default severity warning log message incoming mpls packet on dropped. Reason: explanation an incoming mpls packet has been dropped since it was malformed. Gateway action drop recommended action if the packet format is invalid, ...

  • Page 499: 2.49. Userauth

    2.49. Userauth these log messages refer to the userauth (user authentication (e.G. Radius) events) category. 2.49.1. Accounting_start (id: 03700001) default severity informational log message successfully received radius accounting start response from radius accounting server explanation the unit re...

  • Page 500: 03700004)

    Recommended action verify that the radius accounting server daemon is running on the accounting server. Revision 1 context parameters user authentication 2.49.4. Invalid_accounting_start_server_response (id: 03700004) default severity alert log message received an invalid radius accounting start res...

  • Page 501

    Explanation the authenticated user is logged out as an invalid response to the accounting-start event was received from the accounting server. Gateway action logout_user recommended action verify that the radius accounting server is properly configured. Revision 1 context parameters user authenticat...

  • Page 502: 03700009)

    2.49.9. Invalid_accounting_stop_server_response (id: 03700009) default severity warning log message received a radius accounting stop response with an identifier mismatch. Ignoring this packet explanation the unit received a response with an invalid identifier mismatch. This can be the result of a b...

  • Page 503: 03700014)

    Recommended action verify that the radius accounting server is properly configured. Revision 1 context parameters user authentication 2.49.12. Failure_init_radius_accounting (id: 03700012) default severity alert log message failed to send accounting start to radius accounting server. Accounting will...

  • Page 504: 03700021)

    Gateway action accounting_disabled recommended action verify that a route exists from the unit to the radius accounting server, and that it is properly configured. Revision 1 context parameters user authentication 2.49.15. User_timeout (id: 03700020) default severity notice log message user timeout ...

  • Page 505

    Recommended action lower the number of groups that this user belongs to. Revision 1 parameters username 2.49.18. Accounting_alive (id: 03700050) default severity notice log message successfully received radius accounting interim response from radius accounting server. Bytes sent=, bytes recv=, packe...

  • Page 506: 03700052)

    2.49.20. No_accounting_interim_server_response (id: 03700052) default severity alert log message did not receive a radius accounting interim response. User statistics might not have been updated on the accounting server explanation the unit did not receive a response to an accounting-interim event f...

  • Page 507

    Recommended action none. Revision 1 context parameters user authentication 2.49.23. Relogin_from_new_srcip (id: 03700100) default severity warning log message user with the same username is logging in from another ip address, logging out current instance explanation a user with the same username as ...

  • Page 508

    Parameters idle_timeout session_timeout [groups] context parameters user authentication 2.49.26. Bad_user_credentials (id: 03700104) default severity notice log message unknown user or invalid password explanation a user failed to log in. The entered username or password was invalid. Gateway action ...

  • Page 509

    2.49.29. Userauthrules_disallowed (id: 03700107) default severity warning log message denied access according to userauthrules rule-set explanation the user is not allowed to authenticate according to the userauthrules rule-set. Gateway action none recommended action none. Revision 1 context paramet...

  • Page 510: 03700403)

    Default severity notice log message user logged out explanation a user logged out, and is no longer authenticated. Gateway action none recommended action none. Revision 1 context parameters user authentication 2.49.33. Ldap_session_new_out_of_memory (id: 03700401) default severity alert log message ...

  • Page 511

    Recommended action none. Revision 1 parameters user 2.49.36. Ldap_user_authentication_failed (id: 03700404) default severity notice log message ldap authentication failed for explanation authentication attempt failed. Gateway action none recommended action none. Revision 1 parameters user 2.49.37. L...

  • Page 512

    Default severity alert log message cannot bind to ldap database explanation cannot bind the the ldap database using the configured username and password. Gateway action database connection disabled recommended action check configuration. Revision 1 parameters database 2.49.40. Invalid_username_or_pa...

  • Page 513

    Recommended action none. Revision 1 parameters sessionid user ldap_server_ip 2.49.43. Ldap_no_working_server_found (id: 03700424) default severity notice log message ldap no working server found explanation ldap no working server found. Gateway action none recommended action none. Revision 1 paramet...

  • Page 514

    Gateway action ssl_close recommended action investigate the source of this, and try to find out if it is a part of a possible attack, or normal traffic. Revision 2 parameters client_ip 2.49.46. Bad_packet_order (id: 03700502) default severity error log message bad ssl handshake packet order. Closing...

  • Page 515

    Recommended action none. Revision 1 parameters client_ip 2.49.49. Bad_clientkeyexchange_msg (id: 03700505) default severity error log message ssl handshake: bad clientkeyexchange message. Closing down ssl connection explanation the clientkeyexchange message (which is a part of a ssl handshake) is in...

  • Page 516: (Id: 03700509)

    Parameters client_ip 2.49.52. Unknown_ssl_error (id: 03700508) default severity error log message unknown ssl error. Closing down ssl connection explanation an unknown error occured in the ssl connection, and the ssl connection is closed. Gateway action ssl_close recommended action none. Revision 1 ...

  • Page 517

    Level description 2.49.55. Sent_sslalert (id: 03700511) default severity error log message sent ssl alert. Closing down ssl connection explanation the unit has sent a ssl alert message to the client, due to some abnormal event. The connection will be closed down. Gateway action close recommended act...

  • Page 518: 2.50. Vfs

    2.50. Vfs these log messages refer to the vfs (vfs file handling events) category. 2.50.1. Odm_execute_failed (id: 05200001) default severity notice log message usage of file "" failed. File validated as "". Explanation an uploaded file ([filename]) was validated as "[description]". An error occured...

  • Page 519

    Revision 1 parameters filename description 2.50.4. Odm_execute_action_none (id: 05200004) default severity notice log message uploaded file () could not be recognized as a known type. Explanation an uploaded file could not be recognized as a known type. Gateway action none recommended action none. R...

  • Page 520

    2.50.7. Upload_certificate_fail (id: 05200007) default severity notice log message certificate data in file , could not be added to the configuration explanation certificate data could not be added to the configuration. Gateway action none recommended action make sure that the certificate data is of...

  • Page 521: 2.51. Zonedefense

    2.51. Zonedefense these log messages refer to the zonedefense (zonedefense events) category. 2.51.1. Unable_to_allocate_send_entries (id: 03800001) default severity warning log message unable to allocate send entry. Sending of request to abandoned explanation unable to allocate send entry. Unit is l...

  • Page 522

    Default severity warning log message unable to accommodate block request since out of ip profiles on explanation there are no free ip profiles left on the switch. No more hosts can be be blocked/excluded on this switch. Gateway action no_block recommended action check if it is possible to unblock so...

  • Page 523: 03800008)

    Log message no response from switch while trying to create rule in profile explanation several attempts to create a rule in the switch has timed out. No more attempts will be made. Gateway action no_rule recommended action verify that the firewall is able to communicate with the switch. Revision 1 p...

  • Page 524

    Log message no response from switch while trying to erase profile explanation several attempts to erase a profile in the switch has timed out. No more attempts will be made. Gateway action task_ignored recommended action verify that the firewall is able to communicate with the switch. Revision 1 par...

  • Page 525

    Explanation several attempts to save the configuration in the switch has timed out. No more attempts will be made. Gateway action task_ignored recommended action verify that the firewall is able to communicate with the switch. Revision 1 parameters switch 2.51.14. Zd_block (id: 03800014) default sev...

  • Page 526

    2.51.14. Zd_block (id: 03800014) chapter 2. Log message reference 526.