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filter.d/courier-auth.conf: consider optional port after IP, regex is rewritten without catch-all's and right anchor, so it is more stable against further modifications now; 

closes #3211
pull/2296/merge
sebres 2022-02-09 12:18:23 +01:00
parent 8013cf0b90
commit 498e473a10
2 changed files with 3 additions and 1 deletions
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2
config/filter.d/courier-auth.conf
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@ -11,7 +11,7 @@ before = common.conf
_daemon = (?:courier)?(?:imapd?|pop3d?)(?:login)?(?:-ssl)?
failregex = ^%(__prefix_line)sLOGIN FAILED, (?:user|method)=.*, ip=\[<HOST>\]$
failregex = ^%(__prefix_line)sLOGIN FAILED, (?:(?!ip=)(?:user=<F-USER>[^,]*</F-USER>|\w+=[^,]*), )*ip=\[<HOST>\]
ignoreregex =

2
fail2ban/tests/files/logs/courier-auth
View File

@ -8,3 +8,5 @@ Nov 13 08:11:53 server imapd-ssl: LOGIN FAILED, user=user@domain.tld, ip=[::ffff
Apr 17 19:17:11 SERVER courierpop3login: LOGIN FAILED, user=USER@EXAMPLE.org, ip=[::ffff:1.2.3.4]
# failJSON: { "time": "2005-04-17T19:17:12", "match": true , "host": "192.0.2.4" }
Apr 17 19:17:12 server imapd-ssl: LOGIN FAILED, method=PLAIN, ip=[::ffff:192.0.2.4]
# failJSON: { "time": "2005-04-27T09:00:00", "match": true , "user": "tester", "host": "192.0.2.5" }
Apr 27 09:00:00 servername imapd: LOGIN FAILED, user=tester, ip=[::ffff:192.0.2.5], port=[255]