pf action.d filter for fail2ban

pf.conf

# Fail2Ban configuration file
#
# OpenBSD pf ban/unban
#
# Author: Nick Hilliard <nick@foobar.org>
# http://pastebin.com/wXESQ1b4
#

[Definition]

# Option:  actionstart
# Notes.:  command executed once at the start of Fail2Ban.
# Values:  CMD
#
# we don't enable PF automatically, as it will be enabled elsewhere
actionstart =


# Option:  actionstop
# Notes.:  command executed once at the end of Fail2Ban
# Values:  CMD
#
# we don't disable PF automatically either
actionstop =


# Option:  actioncheck
# Notes.:  command executed once before each actionban command
# Values:  CMD
#
actioncheck =


# Option:  actionban
# Notes.:  command executed when banning an IP. Take care that the
#          command is executed with Fail2Ban user rights.
# Tags:    <ip>  IP address
#          <failures>  number of failures
#          <time>  unix timestamp of the ban time
# Values:  CMD
#
#original line with subnet ban:
#actionban = /sbin/pfctl -t fail2ban -T add <ip>/32
actionban = /sbin/pfctl -t fail2ban -T add <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
#          <failures>  number of failures
#          <time>  unix timestamp of the ban time
# Values:  CMD
#
# note -r option used to remove matching rule
#
#original line with subnet unban:
#actionunban = /sbin/pfctl -t fail2ban -T delete <ip>/32
# line recommended by JonDo:
actionunban = pfctl -t fail2ban -T delete `pfctl -t fail2ban -T show 2>/dev/null | grep <ip>`
# actionunban = /sbin/pfctl -t fail2ban -T delete <ip>
[Init]
port = ssh
localhost = 127.0.0.1