fail2ban/config/filter.d/asterisk.conf

# Fail2Ban configuration file
#
# Author: Xavier Devlamynck
#
#


[INCLUDES]

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

[Definition]

# Option:  failregex
# Notes.:  regex to match the password failures messages in the logfile. The
#          host must be matched by a group named "host". The tag "<HOST>" can
#          be used for standard IP/hostname matching and is only an alias for
#          (?:::f{4,6}:)?(?P<host>\S+)
# Values:  TEXT
#
failregex = NOTICE%(__pid_re)s .*: Registration from '.*' failed for '<HOST>(:[0-9]+)?' - Wrong password$
            NOTICE%(__pid_re)s .*: Registration from '.*' failed for '<HOST>(:[0-9]+)?' - No matching peer found$
            NOTICE%(__pid_re)s .*: Registration from '.*' failed for '<HOST>(:[0-9]+)?' - Username/auth name mismatch$
            NOTICE%(__pid_re)s .*: Registration from '.*' failed for '<HOST>(:[0-9]+)?' - Device does not match ACL$
            NOTICE%(__pid_re)s .*: Registration from '.*' failed for '<HOST>(:[0-9]+)?' - Peer is not supposed to register$
            NOTICE%(__pid_re)s .*: Registration from '.*' failed for '<HOST>(:[0-9]+)?' - ACL error (permit/deny)$
            NOTICE%(__pid_re)s.* .*: Call from '.*' \(<HOST>:.*\) to extension '.*' rejected because extension not found in context 'default'.$
            NOTICE%(__pid_re)s <HOST> failed to authenticate as '.*'$
            NOTICE%(__pid_re)s .*: No registration for peer '.*' \(from <HOST>\)$
            NOTICE%(__pid_re)s .*: Host <HOST> failed MD5 authentication for '.*' (.*)$
            NOTICE%(__pid_re)s .*: Failed to authenticate user .*@<HOST>.*$
            SECURITY%(__pid_re)s .*: SecurityEvent="InvalidAccountID",EventTV=".*",Severity=".*",Service=".*",EventVersion=".*",AccountID=".*",SessionID=".*",LocalAddress=".*",RemoteAddress=".*/.*/<HOST>/.*"$

# Option:  ignoreregex
# Notes.:  regex to ignore. If this regex matches, the line is ignored.
# Values:  TEXT
#
ignoreregex =