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# Fail2Ban configuration file
#
# Author: Daniel Black
#
# This is for ipset protocol 6 (and hopefully later) (ipset v6.14).
# Use ipset -V to see the protocol and version. Version 4 should use
# iptables-ipset-proto4.conf.
#
# This requires the program ipset which is normally in package called ipset.
#
# IPset was a feature introduced in the linux kernel 2.6.39 and 3.0.0 kernels.
#
# If you are running on an older kernel you make need to patch in external
# modules.
#
# Modified: Alexander Koeppe <format_c@online.de>, Serg G. Brester <serg.brester@sebres.de>
# made config file IPv6 capable (see new section Init?family=inet6)
[INCLUDES]
before = iptables-common.conf
[Definition]
# Option: actionstart
# Notes.: command executed on demand at the first ban (or at the start of Fail2Ban if actionstart_on_demand is set to false).
# Values: CMD
#
actionstart = ipset create <ipmset> hash:ip timeout <default-ipsettime> <familyopt>
<iptables> -I <chain> -p <protocol> -m multiport --dports <port> -m set --match-set <ipmset> src -j <blocktype>
# Option: actionflush
# Notes.: command executed once to flush IPS, by shutdown (resp. by stop of the jail or this action)
# Values: CMD
#
actionflush = ipset flush <ipmset>
# Option: actionstop
# Notes.: command executed at the stop of jail (or at the end of Fail2Ban)
# Values: CMD
#
actionstop = <iptables> -D <chain> -p <protocol> -m multiport --dports <port> -m set --match-set <ipmset> src -j <blocktype>
<actionflush>
ipset destroy <ipmset>
# Option: actionban
# Notes.: command executed when banning an IP. Take care that the
# command is executed with Fail2Ban user rights.
# Tags: See jail.conf(5) man page
# Values: CMD
#
actionban = ipset add <ipmset> <ip> timeout <ipsettime> -exist
# actionprolong = %(actionban)s
# Option: actionunban
# Notes.: command executed when unbanning an IP. Take care that the
# command is executed with Fail2Ban user rights.
# Tags: See jail.conf(5) man page
# Values: CMD
#
actionunban = ipset del <ipmset> <ip> -exist
[Init]
# Option: default-ipsettime
# Notes: specifies default timeout in seconds (handled default ipset timeout only)
# Values: [ NUM ] Default: 0 (no timeout, managed by fail2ban by unban)
default-ipsettime = 0
# Option: ipsettime
# Notes: specifies ticket timeout (handled ipset timeout only)
# Values: [ NUM ] Default: 0 (managed by fail2ban by unban)
ipsettime = 0
# expresion to caclulate timeout from bantime, example:
# banaction = %(known/banaction)s[ipsettime='<timeout-bantime>']
timeout-bantime = $([ "<bantime>" -le 2147483 ] && echo "<bantime>" || echo 0)
ipmset = f2b-<name>
familyopt =
[Init?family=inet6]
ipmset = f2b-<name>6
familyopt = family inet6