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