samwiseetc/fail2ban/filter.d/freeswitch.conf

# Fail2Ban configuration file
#
# Enable "log-auth-failures" on each Sofia profile to monitor
# <param name="log-auth-failures" value="true"/>
# -- this requires a high enough loglevel on your logs to save these messages.
#
# In the fail2ban jail.local file for this filter set ignoreip to the internal
# IP addresses on your LAN.
#

[INCLUDES]

# Read common prefixes. If any customizations available -- read them from
# common.local
before = common.conf

[Definition]

_daemon = freeswitch

# Prefix contains common prefix line (server, daemon, etc.) and 2 datetimes if used systemd backend
_pref_line = ^%(__prefix_line)s(?:\d+-\d+-\d+ \d+:\d+:\d+\.\d+)?

failregex = %(_pref_line)s \[WARNING\] sofia_reg\.c:\d+ SIP auth (failure|challenge) \((REGISTER|INVITE)\) on sofia profile \'[^']+\' for \[[^\]]*\] from ip <HOST>$
            %(_pref_line)s \[WARNING\] sofia_reg\.c:\d+ Can't find user \[[^@]+@[^\]]+\] from <HOST>$

ignoreregex =

datepattern = {^LN-BEG}

# Author: Rupa SChomaker, soapee01, Daniel Black
# https://freeswitch.org/confluence/display/FREESWITCH/Fail2Ban
# Thanks to Jim on mailing list of samples and guidance
#
# No need to match the following. Its a duplicate of the SIP auth regex.
#  ^\.\d+ \[DEBUG\] sofia\.c:\d+ IP <HOST> Rejected by acl "\S+"\. Falling back to Digest auth\.$