| Server IP : 158.247.231.215 / Your IP : 216.73.217.84 Web Server : Apache/2.4.41 (Ubuntu) System : Linux CTMS 5.4.0-216-generic #236-Ubuntu SMP Fri Apr 11 19:53:21 UTC 2025 x86_64 User : www-data ( 33) PHP Version : 8.0.30 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | 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