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Server : LiteSpeed System : Linux host 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 x86_64 User : idnco5810 ( 1093) PHP Version : 8.2.29 Disable Function : NONE Directory : /etc/fail2ban/filter.d/ |
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# Fail2Ban filter for courier authentication failures
#
[INCLUDES]
# Read common prefixes. If any customizations available -- read them from
# common.local
before = common.conf
[Definition]
_daemon = (?:courier)?(?:imapd?|pop3d?)(?:login)?(?:-ssl)?
failregex = ^%(__prefix_line)sLOGIN FAILED, (?:(?!ip=)(?:user=<F-USER>[^,]*</F-USER>|\w+=[^,]*), )*ip=\[<HOST>\]
ignoreregex =
datepattern = {^LN-BEG}
# Author: Christoph Haas
# Modified by: Cyril Jaquier