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fail2ban/config/filter.d/asterisk.conf

30 lines
2.0 KiB

# Fail2Ban filter for asterisk authentication failures
#
[Definition]
__pid_re = (?:\[\d+\])
# All Asterisk log messages begin like this:
log_prefix= \[\]\s*(?:NOTICE|SECURITY)%(__pid_re)s:?(?:\[\S+\d*\])? \S+:\d*
failregex = ^%(log_prefix)s Registration from '[^']*' failed for '<HOST>(:\d+)?' - Wrong password$
^%(log_prefix)s Registration from '[^']*' failed for '<HOST>(:\d+)?' - No matching peer found$
^%(log_prefix)s Registration from '[^']*' failed for '<HOST>(:\d+)?' - Username/auth name mismatch$
^%(log_prefix)s Registration from '[^']*' failed for '<HOST>(:\d+)?' - Device does not match ACL$
^%(log_prefix)s Registration from '[^']*' failed for '<HOST>(:\d+)?' - Peer is not supposed to register$
^%(log_prefix)s Registration from '[^']*' failed for '<HOST>(:\d+)?' - ACL error \(permit/deny\)$
^%(log_prefix)s Registration from '[^']*' failed for '<HOST>(:\d+)?' - Not a local domain$
^%(log_prefix)s Call from '[^']*' \(<HOST>:\d+\) to extension '\d+' rejected because extension not found in context 'default'\.$
^%(log_prefix)s Host <HOST> failed to authenticate as '[^']*'$
^%(log_prefix)s No registration for peer '[^']*' \(from <HOST>\)$
^%(log_prefix)s Host <HOST> failed MD5 authentication for '[^']*' \([^)]+\)$
^%(log_prefix)s Failed to authenticate (user|device) [^@]+@<HOST>\S*$
^%(log_prefix)s (?:handle_request_subscribe: )?Sending fake auth rejection for (device|user) \d*<sip:[^@]+@<HOST>>;tag=\w+\S*$
^%(log_prefix)s SecurityEvent="(FailedACL|InvalidAccountID|ChallengeResponseFailed|InvalidPassword)",EventTV="[\d-]+",Severity="[\w]+",Service="[\w]+",EventVersion="\d+",AccountID="\d+",SessionID="0x[\da-f]+",LocalAddress="IPV[46]/(UD|TC)P/[\da-fA-F:.]+/\d+",RemoteAddress="IPV[46]/(UD|TC)P/<HOST>/\d+"(,Challenge="\w+",ReceivedChallenge="\w+")?(,ReceivedHash="[\da-f]+")?$
ignoreregex =
# Author: Xavier Devlamynck