# Sample log files for asterisk 
[2012-02-13 17:21:54] NOTICE[1638] chan_sip.c: Registration from '<sip:301@example.com>' failed for '1.2.3.4' - Wrong password
[2012-02-13 17:18:22] NOTICE[1638] chan_sip.c: Registration from '<sip:301@example.com>' failed for '1.2.3.4' - No matching peer found
[2012-02-13 17:21:21] NOTICE[1638] chan_sip.c: Registration from '<sip:301@example.com>' failed for '1.2.3.4' - Username/auth name mismatch
[2012-02-13 17:32:01] NOTICE[1638] chan_sip.c: Registration from '<sip:301@example.com>' failed for '1.2.3.4' - Device does not match ACL
[2012-02-13 17:34:10] NOTICE[1638] chan_sip.c: Registration from '<sip:301@example.com>' failed for '1.2.3.4' - Peer is not supposed to register
[2012-02-13 17:36:23] NOTICE[1638] chan_sip.c: Registration from '<sip:301@example.com>' failed for '1.2.3.4' - ACL error (permit/deny)
[2012-02-13 17:53:59] NOTICE[1638] chan_iax2.c: Host 1.2.3.4 failed to authenticate as 'Fail2ban'
[2012-02-13 17:39:20] NOTICE[1638] chan_iax2.c: No registration for peer 'Fail2ban' (from 1.2.3.4)
[2012-02-13 17:44:26] NOTICE[1638] chan_iax2.c: Host 1.2.3.4 failed MD5 authentication for 'Fail2ban' (e7df7cd2ca07f4f1ab415d457a6e1c13 != 53ac4bc41ee4ec77888ed4aa50677247)
[2012-02-13 17:37:07] NOTICE[1638] chan_sip.c: Failed to authenticate user "Fail2ban" <sip:301@1.2.3.4>;tag=1r698745234
[2013-02-05 23:44:42] NOTICE[436][C-00000fa9] chan_sip.c: Call from '' (1.2.3.4:10836) to extension '0972598285108' rejected because extension not found in context 'default'.
[2013-03-26 15:47:54] NOTICE[1237] chan_sip.c: Registration from '"100"sip:100@1.2.3.4' failed for '1.2.3.4:23930' - No matching peer found
[2013-05-13 07:10:53] SECURITY[1204] res_security_log.c: SecurityEvent="InvalidAccountID",EventTV="1368439853-500975",Severity="Error",Service="SIP",EventVersion="1",AccountID="00972599580679",SessionID="0x7f8ecc0421f8",LocalAddress="IPV4/UDP/1.2.3.4/5060",RemoteAddress="IPV4/UDP/1.2.3.4/5070"
[2013-06-10 18:15:03] NOTICE[2723] chan_sip.c: Registration from '"100"<sip:100@192.168.0.2:5060>' failed for '1.2.3.4' - Not a local domain
# http://forum.4psa.com/showthread.php?t=6601
[2009-12-22 16:35:24] NOTICE[6163] chan_sip.c: Sending fake auth rejection for device <sip:0004*001@192.168.2.102>;tag=e3793a95e1acbc69o
# http://www.freepbx.org/forum/general-help/fake-auth-rejection
[2009-12-22 16:35:24] NOTICE[1570][C-00000086] chan_sip.c: Sending fake auth rejection for device 1022<sip:1022@192.168.2.102>;tag=5d8b6f92
# http://www.spinics.net/lists/asterisk/msg127381.html
[2009-12-22 16:35:24] NOTICE[14916]: chan_sip.c:15644 handle_request_subscribe: Sending fake auth rejection for user <sip:CS@192.168.2.102>;tag=6pwd6erg54
[2013-07-06 09:09:25] SECURITY[3308] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="1373098165-824497",Severity="Error",Service="SIP",EventVersion="2",AccountID="972592891005",SessionID="0x88aab6c",LocalAddress="IPV4/UDP/92.28.73.180/5060",RemoteAddress="IPV4/UDP/141.255.164.106/5084",Challenge="41d26de5",ReceivedChallenge="41d26de5",ReceivedHash="7a6a3a2e95a05260aee612896e1b4a39"