fail2ban/config/filter.d/recidive.conf

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# Fail2Ban filter for repeat bans
#
# This filter monitors the fail2ban log file, and enables you to add long
# time bans for ip addresses that get banned by fail2ban multiple times.
#
# Reasons to use this: block very persistent attackers for a longer time,
# stop receiving email notifications about the same attacker over and
# over again.
#
# This jail is only useful if you set the 'findtime' and 'bantime' parameters
# in jail.conf to a higher value than the other jails. Also, this jail has its
# drawbacks, namely in that it works only with iptables, or if you use a
# different blocking mechanism for this jail versus others (e.g. hostsdeny
# for most jails, and shorewall for this one).
[INCLUDES]
# Read common prefixes. If any customizations available -- read them from
# common.local
before = common.conf
[Definition]
_daemon = fail2ban\.actions
# The name of the jail that this filter is used for. In jail.conf, name the
# jail using this filter 'recidive', or change this line!
_jailname = recidive
failregex = ^(%(__prefix_line)s|,\d{3} fail2ban.actions:\s+)WARNING\s+\[(?!%(_jailname)s\])(?:.*)\]\s+Ban\s+<HOST>\s*$
# Author: Tom Hendrikx, modifications by Amir Caspi