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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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[INCLUDES]
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before = iptables-blocktype.conf
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[Definition]
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# Option: actionstart
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# Notes.: command executed once at the start of Fail2Ban.
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# Values: CMD
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#
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actionstart = ipset create f2b-<name> hash:ip timeout <bantime>
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iptables -I <chain> -p <protocol> -m multiport --dports <port> -m set --match-set f2b-<name> src -j <blocktype>
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# Option: actionstop
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# Notes.: command executed once 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 f2b-<name> src -j <blocktype>
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ipset flush f2b-<name>
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ipset destroy f2b-<name>
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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 f2b-<name> <ip> timeout <bantime> -exist
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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 f2b-<name> <ip> -exist
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[Init]
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# Default name of the ipset
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#
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name = default
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# Option: chain
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# Notes specifies the iptables chain to which the Fail2Ban rules should be
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# added
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# Values: STRING Default: INPUT
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chain = INPUT
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# Option: port
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# Notes.: specifies port to monitor
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# Values: [ NUM | STRING ] Default: ssh
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#
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port = ssh
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# Option: protocol
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# Notes.: internally used by config reader for interpolations.
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# Values: [ tcp | udp | icmp | all ] Default: tcp
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#
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protocol = tcp
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# Option: bantime
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# Notes: specifies the bantime in seconds (handled internally rather than by fail2ban)
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# Values: [ NUM ] Default: 600
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bantime = 600
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