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# Fail2Ban configuration file## Author: Daniel Black## This is a included configuration file and includes the definitions for the iptables# used in all iptables based actions by default.## The user can override the defaults in iptables-common.local## 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new section Init?family=inet6)[INCLUDES]after = iptables-blocktype.localiptables-common.local# iptables-blocktype.local is obsolete[Definition]# Option: actionflush# Notes.: command executed once to flush IPS, by shutdown (resp. by stop of the jail or this action)# Values: CMD#actionflush = <iptables> -F f2b-<name>[Init]# Option: chain# Notes specifies the iptables chain to which the Fail2Ban rules should be# added# Values: STRING Default: INPUTchain = INPUT# Default name of the chain#name = default# Option: port# Notes.: specifies port to monitor# Values: [ NUM | STRING ] Default:#port = ssh# Option: protocol# Notes.: internally used by config reader for interpolations.# Values: [ tcp | udp | icmp | all ] Default: tcp#protocol = tcp# Option: blocktype# Note: This is what the action does with rules. This can be any jump target# as per the iptables man page (section 8). Common values are DROP# REJECT, REJECT --reject-with icmp-port-unreachable# Values: STRINGblocktype = REJECT --reject-with icmp-port-unreachable# Option: returntype# Note: This is the default rule on "actionstart". This should be RETURN# in all (blocking) actions, except REJECT in allowing actions.# Values: STRINGreturntype = RETURN# Option: lockingopt# Notes.: Option was introduced to iptables to prevent multiple instances from# running concurrently and causing irratic behavior. -w was introduced# in iptables 1.4.20, so might be absent on older systems# See https://github.com/fail2ban/fail2ban/issues/1122# Values: STRINGlockingopt = -w# Option: iptables# Notes.: Actual command to be executed, including common to all calls options# Values: STRINGiptables = iptables <lockingopt>[Init?family=inet6]# Option: blocktype (ipv6)# Note: This is what the action does with rules. This can be any jump target# as per the iptables man page (section 8). Common values are DROP# REJECT, REJECT --reject-with icmp6-port-unreachable# Values: STRINGblocktype = REJECT --reject-with icmp6-port-unreachable# Option: iptables (ipv6)# Notes.: Actual command to be executed, including common to all calls options# Values: STRINGiptables = ip6tables <lockingopt>