fail2ban/config/action.d/dummy.conf

# Fail2Ban configuration file
#
# Author: Cyril Jaquier
#
#

[Definition]

# Option:  actionstart
# Notes.:  command executed once at the start of Fail2Ban.
# Values:  CMD
#
actionstart = touch /tmp/fail2ban.dummy
              printf %%b "<init>\n" >> /tmp/fail2ban.dummy

# Option:  actionstop
# Notes.:  command executed once at the end of Fail2Ban
# Values:  CMD
#
actionstop = rm -f /tmp/fail2ban.dummy

# 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:    See jail.conf(5) man page
# Values:  CMD
#
actionban = printf %%b "+<ip>\n" >> /tmp/fail2ban.dummy

# 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 = printf %%b "-<ip>\n" >> /tmp/fail2ban.dummy

[Init]

init = 123