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File name : iptables-multiport-log.conf

Content :# Fail2Ban configuration file # # Author: Guido Bozzetto # Modified: Cyril Jaquier # # make "f2b-<name>" chain to match drop IP # make "f2b-<name>-log" chain to log and drop # insert a jump to f2b-<name> from -I <chain> if proto/port match # # [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 = <iptables> -N f2b-<name> <iptables> -A f2b-<name> -j <returntype> <iptables> -I <chain> 1 -p <protocol> -m multiport --dports <port> -j f2b-<name> <iptables> -N f2b-<name>-log <iptables> -I f2b-<name>-log -j LOG --log-prefix "$(expr f2b-<name> : '\(.\{1,23\}\)'):DROP " --log-level warning -m limit --limit 6/m --limit-burst 2 <iptables> -A f2b-<name>-log -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 = <iptables> -F f2b-<name> <iptables> -F f2b-<name>-log # 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> -j f2b-<name> <actionflush> <iptables> -X f2b-<name> <iptables> -X f2b-<name>-log # Option: actioncheck # Notes.: command executed once before each actionban command # Values: CMD # actioncheck = <iptables> -n -L f2b-<name>-log >/dev/null # 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 = <iptables> -I f2b-<name> 1 -s <ip> -j f2b-<name>-log # 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 = <iptables> -D f2b-<name> -s <ip> -j f2b-<name>-log [Init]

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