| Server IP : 208.122.213.31 / Your IP : 216.73.216.185 Web Server : Apache System : Linux msd6191.mjhst.com 4.18.0-553.137.1.el8_10.x86_64 #1 SMP Wed Jun 24 11:40:24 UTC 2026 x86_64 User : WHMCS_MIA_382 ( 1001) PHP Version : 7.4.33 Disable Function : NONE MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /etc/fail2ban/filter.d/ |
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# Fail2ban filter for kerio
[Definition]
failregex = ^ SMTP Spam attack detected from <HOST>,
^ IP address <HOST> found in DNS blacklist
^ Relay attempt from IP address <HOST>
^ Attempt to deliver to unknown recipient \S+, from \S+, IP address <HOST>$
^ Failed SMTP login from <HOST>
^ SMTP: User \S+ doesn't exist. Attempt from IP address <HOST>
^ Client with IP address <HOST> has no reverse DNS entry, connection rejected before SMTP greeting$
^ Administration login into Web Administration from <HOST> failed: IP address not allowed$
^ Message from IP address <HOST>, sender \S+ rejected: sender domain does not exist$
ignoreregex =
datepattern = ^\[%%d/%%b/%%Y %%H:%%M:%%S\]
# DEV NOTES:
#
# Author: A.P. Lawrence
# Updated by: M. Bischoff <https://github.com/herrbischoff>
#
# Based off: http://aplawrence.com/Kerio/fail2ban.html