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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 a included configuration file and includes the definitions for the iptables
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# used in all iptables based actions by default.
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#
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# The user can override the defaults in iptables-common.local
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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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after = iptables-blocktype.local
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iptables-common.local
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# iptables-blocktype.local is obsolete
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[Definition]
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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 = <iptables> -F f2b-<name>
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[Init]
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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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# Default name of the chain
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#
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name = default
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# Option: port
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# Notes.: specifies port to monitor
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# Values: [ NUM | STRING ] Default:
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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: blocktype
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# Note: This is what the action does with rules. This can be any jump target
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# as per the iptables man page (section 8). Common values are DROP
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# REJECT, REJECT --reject-with icmp-port-unreachable
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# Values: STRING
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blocktype = REJECT --reject-with icmp-port-unreachable
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# Option: returntype
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# Note: This is the default rule on "actionstart". This should be RETURN
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# in all (blocking) actions, except REJECT in allowing actions.
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# Values: STRING
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returntype = RETURN
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# Option: lockingopt
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# Notes.: Option was introduced to iptables to prevent multiple instances from
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# running concurrently and causing irratic behavior. -w was introduced
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# in iptables 1.4.20, so might be absent on older systems
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# See https://github.com/fail2ban/fail2ban/issues/1122
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# Values: STRING
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lockingopt = -w
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# Option: iptables
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# Notes.: Actual command to be executed, including common to all calls options
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# Values: STRING
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iptables = iptables <lockingopt>
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[Init?family=inet6]
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# Option: blocktype (ipv6)
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# Note: This is what the action does with rules. This can be any jump target
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# as per the iptables man page (section 8). Common values are DROP
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# REJECT, REJECT --reject-with icmp6-port-unreachable
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# Values: STRING
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blocktype = REJECT --reject-with icmp6-port-unreachable
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# Option: iptables (ipv6)
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# Notes.: Actual command to be executed, including common to all calls options
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# Values: STRING
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iptables = ip6tables <lockingopt>
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