# Fail2Ban configuration file
#
# Author: Daniel Black
#
# This is for ipset protocol 4 (ipset v4.2). If you have a later version
# of ipset try to use the iptables-ipset-proto6.conf as it does some things
# nicer.
# 
# This requires the program ipset which is normally in package called ipset.
#
# IPset was a feature introduced in the linux kernel 2.6.39 and 3.0.0 kernels.
#
# If you are running on an older kernel you make need to patch in external
# modules.
#
# On Debian machines this can be done with:
#
# apt-get install ipset xtables-addons-source 
# module-assistant auto-install xtables-addons

[Definition]

# Option:  actionstart
# Notes.:  command executed once at the start of Fail2Ban.
# Values:  CMD
#
actionstart = ipset --create fail2ban-<name> iphash
              iptables -I INPUT -p <protocol> -m multiport --dports <port> -m set --match-set fail2ban-<name> src -j DROP

# Option:  actionstop
# Notes.:  command executed once at the end of Fail2Ban
# Values:  CMD
#
actionstop = iptables -D INPUT -p <protocol> -m multiport --dports <port> -m set --match-set fail2ban-<name> src -j DROP
             ipset --flush fail2ban-<name>
             ipset --destroy fail2ban-<name>

# Option:  actionban
# Notes.:  command executed when banning an IP. Take care that the
#          command is executed with Fail2Ban user rights.
# Tags:    <ip>  IP address
# Values:  CMD
#
actionban = ipset --test fail2ban-<name> <ip> ||  ipset --add fail2ban-<name> <ip>

# Option:  actionunban
# Notes.:  command executed when unbanning an IP. Take care that the
#          command is executed with Fail2Ban user rights.
# Tags:    <ip>  IP address
# Values:  CMD
#
actionunban = ipset --test fail2ban-<name> <ip> && ipset --del fail2ban-<name> <ip>

[Init]

# Defaut name of the ipset
#
name = default

# Option:  port
# Notes.:  specifies port to monitor
# Values:  [ NUM | STRING ]  Default: ssh
#
port = ssh

# Option:  protocol
# Notes.:  internally used by config reader for interpolations.
# Values:  [ tcp | udp | icmp | all ] Default: tcp
#
protocol = tcp