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# Fail2Ban configuration file## Author: Steven Hiscocks##[Definition]# Option: failregex# Notes.: regex to match the password failures messages in the logfile. The# host must be matched by a group named "host". The tag "<HOST>" can# be used for standard IP/hostname matching and is only an alias for# (?:::f{4,6}:)?(?P<host>[\w\-.^_]+)# Multiline regexs should use tag "<SKIPLINES>" to separate lines.# This allows lines between the matching lines to continue to be# searched for other failures. This tag can be used multiple times.# Values: TEXT#failregex = ^=INFO REPORT==== ===\nI\(<0\.\d+\.0>:ejabberd_c2s:\d+\) : \([^)]+\) Failed authentication for \S+ from (?:IP )?<HOST>(?: \({{(?:\d+,){3}\d+},\d+}\))?$^(?:\.\d+)? \[info\] <0\.\d+\.\d>@ejabberd_c2s:\w+:\d+ \([^\)]+\) Failed (?:c2s \w+ )?authentication for \S+ from (?:IP )?(?:::FFFF:)?<HOST>(?:: |$)# Option: ignoreregex# Notes.: regex to ignore. If this regex matches, the line is ignored.# Values: TEXT#ignoreregex =# "maxlines" is number of log lines to buffer for multi-line regex searchesmaxlines = 2# Option: journalmatch# Notes.: systemd journalctl style match filter for journal based backend# Values: TEXT#journalmatch =#datepattern = ^(?:=[^=]+={3,} )?({DATE})# explicit time format using prefix =...==== and no date in second string begins with I(...)...datepattern = ^(?:=[^=]+={3,} )?(%%ExY(?P<_sep>[-/.])%%m(?P=_sep)%%d[T ]%%H:%%M:%%S(?:[.,]%%f)?(?:\s*%%z)?)^I\(()**