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failregex extended and simplified (partially ported from gh-1409).

pull/1839/head
sebres 2017-07-18 16:34:08 +02:00
parent 098abae4e6
commit a5b62a7f36
2 changed files with 24 additions and 3 deletions
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6
config/filter.d/asterisk.conf
View File

@ -20,15 +20,17 @@ log_prefix= (?:NOTICE|SECURITY|WARNING)%(__pid_re)s:?(?:\[C-[\da-f]*\])? [^:]+:\
failregex = ^%(__prefix_line)s%(log_prefix)s Registration from '[^']*' failed for '<HOST>(:\d+)?' - (?:Wrong password|Username/auth name mismatch|No matching peer found|Not a local domain|Device does not match ACL|Peer is not supposed to register|ACL error \(permit/deny\)|Not a local domain)$ failregex = ^%(__prefix_line)s%(log_prefix)s Registration from '[^']*' failed for '<HOST>(:\d+)?' - (?:Wrong password|Username/auth name mismatch|No matching peer found|Not a local domain|Device does not match ACL|Peer is not supposed to register|ACL error \(permit/deny\)|Not a local domain)$
^%(__prefix_line)s%(log_prefix)s Call from '[^']*' \(<HOST>:\d+\) to extension '[^']*' rejected because extension not found in context ^%(__prefix_line)s%(log_prefix)s Call from '[^']*' \(<HOST>:\d+\) to extension '[^']*' rejected because extension not found in context
^%(__prefix_line)s%(log_prefix)s (?:Host )?<HOST> failed to authenticate ^%(__prefix_line)s%(log_prefix)s (?:Host )?<HOST> (?:failed (?:to authenticate\b|MD5 authentication\b)|tried to authenticate with nonexistent user\b)
^%(__prefix_line)s%(log_prefix)s No registration for peer '[^']*' \(from <HOST>\)$ ^%(__prefix_line)s%(log_prefix)s No registration for peer '[^']*' \(from <HOST>\)$
^%(__prefix_line)s%(log_prefix)s (?:Host )?<HOST> failed MD5 authentication for '[^']*' \([^)]+\)$
^%(__prefix_line)s%(log_prefix)s Failed to authenticate (?:user|device) [^@]+@<HOST>\S*$ ^%(__prefix_line)s%(log_prefix)s Failed to authenticate (?:user|device) [^@]+@<HOST>\S*$
^%(__prefix_line)s%(log_prefix)s hacking attempt detected '<HOST>'$ ^%(__prefix_line)s%(log_prefix)s hacking attempt detected '<HOST>'$
^%(__prefix_line)s%(log_prefix)s SecurityEvent="(?:FailedACL|InvalidAccountID|ChallengeResponseFailed|InvalidPassword)"(?:(?:,(?!RemoteAddress=)\w+="[^"]*")*|.*?),RemoteAddress="IPV[46]/(UDP|TCP|WS)/<HOST>/\d+"(?:,(?!RemoteAddress=)\w+="[^"]*")*$ ^%(__prefix_line)s%(log_prefix)s SecurityEvent="(?:FailedACL|InvalidAccountID|ChallengeResponseFailed|InvalidPassword)"(?:(?:,(?!RemoteAddress=)\w+="[^"]*")*|.*?),RemoteAddress="IPV[46]/(UDP|TCP|WS)/<HOST>/\d+"(?:,(?!RemoteAddress=)\w+="[^"]*")*$
^%(__prefix_line)s%(log_prefix)s "Rejecting unknown SIP connection from <HOST>"$ ^%(__prefix_line)s%(log_prefix)s "Rejecting unknown SIP connection from <HOST>"$
^%(__prefix_line)s%(log_prefix)s Request (?:'[^']*' )?from '[^']*' failed for '<HOST>(?::\d+)?'\s\(callid: [^\)]*\) - (?:No matching endpoint found|Not match Endpoint(?: Contact)? ACL|(?:Failed|Error) to authenticate)\s*$ ^%(__prefix_line)s%(log_prefix)s Request (?:'[^']*' )?from '[^']*' failed for '<HOST>(?::\d+)?'\s\(callid: [^\)]*\) - (?:No matching endpoint found|Not match Endpoint(?: Contact)? ACL|(?:Failed|Error) to authenticate)\s*$
# FreePBX (todo: make optional in v.0.10):
# ^(%(__prefix_line)s|\[\]\s*WARNING%(__pid_re)s:?(?:\[C-[\da-f]*\])? )[^:]+: Friendly Scanner from <HOST>$
ignoreregex = ignoreregex =

21
fail2ban/tests/files/logs/asterisk
View File

@ -89,4 +89,23 @@ Nov 4 18:30:40 localhost asterisk[32229]: NOTICE[32257]: chan_sip.c:23417 in han
[2016-06-08 23:40:26] NOTICE[32497] res_pjsip/pjsip_distributor.c: Request from '"317" <sip:317@1.2.3.4>' failed for '2.3.4.5:5089' (callid: 206f178f-896564cb-57573f49@1.2.3.4) - No matching endpoint found [2016-06-08 23:40:26] NOTICE[32497] res_pjsip/pjsip_distributor.c: Request from '"317" <sip:317@1.2.3.4>' failed for '2.3.4.5:5089' (callid: 206f178f-896564cb-57573f49@1.2.3.4) - No matching endpoint found
# failJSON: { "time": "2016-06-09T00:01:02", "match": true , "host": "192.0.2.1" } # failJSON: { "time": "2016-06-09T00:01:02", "match": true , "host": "192.0.2.1" }
[2016-06-09 00:01:02] NOTICE [22382] manager.c: 192.0.2.1 failed to authenticate as 'admin' [2016-06-09 00:01:02] NOTICE [22382] manager.c: 192.0.2.1 failed to authenticate as 'admin'
# Check AMI logs
# failJSON: { "time": "2016-05-06T07:08:09", "match": true, "host": "192.0.2.4" }
[2016-05-06 07:08:09] NOTICE[31554] manager.c: 192.0.2.4 tried to authenticate with nonexistent user 'opennms'
# failJSON: { "time": "2016-05-06T07:08:09", "match": true, "host": "192.0.2.5" }
[2016-05-06 07:08:09] NOTICE[6772] manager.c: 192.0.2.5 failed to authenticate as 'Admin'
# PJSip Errors
# failJSON: { "time": "2016-05-06T07:08:09", "match": true, "host": "192.0.2.6" }
[2016-05-06 07:08:09] NOTICE[17103] res_pjsip/pjsip_distributor.c: Request from '"test1" <sip:test1@2.3.4.5>' failed for '192.0.2.6:5678' (callid: deadbeef) - No matching endpoint found
# # FreePBX Warnings
# #_dis_failJSON: { "time": "2016-05-06T07:08:09", "match": true, "host": "192.0.2.4" }
# [2016-05-06 07:08:09] WARNING[6410][C-00000bac] Ext. 50048943556071: Friendly Scanner from 192.0.2.4
# #_dis_failJSON: { "time": "2016-05-06T07:08:09", "match": true, "host": "192.0.2.5" }
# [2016-05-06 07:08:09] WARNING[6410][C-00000bac] Ext. s: Friendly Scanner from 192.0.2.5
# #_dis_failJSON: { "time": "2016-05-06T07:08:09", "match": true, "host": "192.0.2.6" }
# [2016-05-06 07:08:09] WARNING[6410][C-00000bac] Ext. +012345: Friendly Scanner from 192.0.2.6
# # Yes, this does have quotes around it.