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Hi list , someone on the list has seen this type of connection attempts in asterisk, fail2ban does not stop 2015-01-08 14:59:47] SECURITY[21515] res_security_log.c: SecurityEvent="ChallengeSent",EventTV="1420750787-386840",Severity="Informational",Service="SIP",EventVersion="1",AccountID="sip:100 at 173.230.133.20",SessionID="0x169f528",LocalAddress="IPV4/UDP/173.230.133.20/5060",RemoteAddres...

Hi list, I would like to now what is the sense of such type of entry in security.log [2019-09-27 15:12:24] SECURITY[26964] res_security_log.c: SecurityEvent="ChallengeSent",EventTV="2019-09-27T15:12:24.181+0200",Severity="Informational",Servic e="PJSIP",EventVersion="1",AccountID="<unknown>", SessionID="56b0ca9-d967a90d16411209-a1b0fae1 at 188.165.222.17",LocalAddress=&quot...

I need some help understanding SIP dialog. Some actor is trying to access my server, but I can't figure out what he's trying to do ,or how. I'm getting a lot of these warnings. [May 17 10:08:08] WARNING[1532]: chan_sip.c:4068 retrans_pkt: Retransmission timeout reached on transmission _zIr9tDtBxeTVTY5F7z8kD7R.. for seqno 101 With SIP DEBUG I tracked the Call-ID to this INVITE :

...à 11:45, Joshua C. Colp a écrit : > On Fri, Sep 27, 2019, at 11:31 AM, Administrator TOOTAI wrote: >> Hi list, >> >> I would like to now what is the sense of such type of entry in security.log >> >> [2019-09-27 15:12:24] SECURITY[26964] res_security_log.c: >> SecurityEvent="ChallengeSent",EventTV="2019-09-27T15:12:24.181+0200",Severity="Informational",Servic >> e="PJSIP",EventVersion="1",AccountID="<unknown>", >> SessionID="56b0ca9-d967a90d16411209-a1b0fae1 at 188.165.222.17",L...

...*: Registration of '.*' rejected: '.*' from: > '<HOST>' > ???????? NOTICE.* .*: Peer '.*' is not dynamic (from <HOST>) > ???????? NOTICE.* .*: Host <HOST> denied access to register peer > '.*' > ???????? SECURITY.* .*: > SecurityEvent="InvalidAccountID".*,Severity="Error",Service="SIP".*,Rem > oteAddress="IPV[46]/(UDP|TCP|TLS)/<HOST>/[0-9]+" > ???????? SECURITY.* .*: > SecurityEvent="FailedACL".*,Severity="Error",Service="SIP".*,RemoteAddr &...

I recently upgraded from Asterisk 13.19 to 16.6.1. Everything is working fine with a few minor tweaks except outgoinf fax. Incoming works fine. I do outgoing faxing through an AMI call. Here is the output from the security log: [Nov 27 06:16:05] SECURITY[101222] res_security_log.c: SecurityEvent="ChallengeSent",EventTV="2019-11-27T06:16:05.566-0500",Severity="Informational",Service="SIP",EventVersion="1",AccountID="alex",SessionID="0x80ba54820",LocalAddress="IPV4/UDP/98.158.139.74/5060",RemoteAddress="I...

...ary 08, 2015 4:38 PM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: [asterisk-users] SEMI OFF-TOPIC - Fail2ban Hi list , someone on the list has seen this type of connection attempts in asterisk, fail2ban does not stop 2015-01-08 14:59:47] SECURITY[21515] res_security_log.c: SecurityEvent="ChallengeSent",EventTV="1420750787-386840",Severity="Informat ional",Service="SIP",EventVersion="1",AccountID="sip:100 at 173.230.133.20",Ses sionID="0x169f528",LocalAddress="IPV4/UDP/173.230.133.20/5060",RemoteAddr...

...log_prefix)s Failed to authenticate (user|device) [^@]+@<HOST>\S*$ ^(%(__prefix_line)s|\[\]\s*)%(log_prefix)s (?:handle_request_subscribe: )?Sending fake auth rejection for (device|user) \d*<sip:[^@]+@<HOST>>;tag=$ ^(%(__prefix_line)s|\[\]\s*)%(log_prefix)s SecurityEvent="(FailedACL|InvalidAccountID|ChallengeResponseFailed|InvalidPassword)",EventTV="[\d-]+",S$ ^(%(__prefix_line)s|\[\]\s*WARNING%(__pid_re)s:?(?:\[C-[\da-f]*\])? )Ext\. s: "Rejecting unknown SIP connection from <HOST>"$ ignoreregex = # Author: Xavi...

On 01/08/2015 11:37 PM, ricky gutierrez wrote: > Hi list , someone on the list has seen this type of connection > attempts in asterisk, fail2ban does not stop > > 2015-01-08 14:59:47] SECURITY[21515] res_security_log.c: > SecurityEvent="ChallengeSent",EventTV="1420750787-386840",Severity="Informational",Service="SIP",EventVersion="1",AccountID="sip:100 at 173.230.133.20",SessionID="0x169f528",LocalAddress="IPV4/UDP/173.230.133.20/5060",RemoteAddres...

...ld occur also on > legitimate login processes... > Hi , strange thing is that I still have not this asterisk in production and I see many attempts Connection. Now keep in mind that when a connection of authentication is successful the message changes and is not exactly what you mention: ## SecurityEvent="SuccessfulAuth",EventTV="1420832883-140932",#### I think this type of connection attempts messages with my asterisk that fail2ban not detected. I'm no expert, but the log not lie ;) regardss -- rickygm http://gnuforever.homelinux.com

...D5 authentication for '[^']*' \([^)]+\)$ ^%(__prefix_line)s%(log_prefix)s Failed to authenticate (user|device) [^@]+@<HOST>\S*$ ^%(__prefix_line)s%(log_prefix)s hacking attempt detected '<HOST>'$ ^%(__prefix_line)s%(log_prefix)s SecurityEvent="(FailedACL|InvalidAccountID|ChallengeResponseFailed|InvalidPa ssword)",EventTV="([\d-]+|%(iso8601)s)",Severity="[\w]+",Service="[\w]+",Eve ntVersion="\d+",AccountID="(\d*|<unknown>)",SessionID=".+",LocalAddress="IP...

...<HOST>\S*$ >> ^(%(__prefix_line)s|\[\]\s*)%(log_prefix)s >> (?:handle_request_subscribe: )?Sending fake auth rejection for >> (device|user) \d*<sip:[^@]+@<HOST>>;tag=$ >> ^(%(__prefix_line)s|\[\]\s*)%(log_prefix)s >> >> SecurityEvent="(FailedACL|InvalidAccountID|ChallengeResponseFailed|InvalidPassword)",EventTV="[\d-]+",S$ >> >> ^(%(__prefix_line)s|\[\]\s*WARNING%(__pid_re)s:?(?:\[C-[\da-f]*\])? >> )Ext\. s: "Rejecting unknown SIP connection from <HOST>"$ >> >&gt...

SecurityEvent="ChallengeSent",EventTV="1367741794-435078",Severity="Informat ional",Service="SIP",EventVersion="1",AccountID="sip:venu at 192.168.0.35",Sess ionID="0x337bf68",LocalAddress="IPV4/UDP/10.10.1.3/5060",RemoteAddress=&q...

...ld occur also on > legitimate login processes... > Hi , strange thing is that I still have not this asterisk in production and I see many attempts Connection. Now keep in mind that when a connection of authentication is successful the message changes and is not exactly what you mention: ## SecurityEvent="SuccessfulAuth",EventTV="1420832883-140932",#### I think this type of connection attempts messages with my asterisk that fail2ban not detected. I'm no expert, but the log not lie ;) regardss -- rickygm http://gnuforever.homelinux.com -- ____________________________...

Just a note that I did a little work to extend FreePBX distro with some extra Fail2Ban which deals with some drive-by SIP registration attempts. My regex is poor to middling, but the steps detailed here: http://www.coochey.net/?p=61 manage to stop IPs which try to authenticate against Asterisk which FreePBX were not able to stop before. I would welcome any improvements anyone would care to

...D5 authentication for '[^']*' \([^)]+\)$ ^%(__prefix_line)s%(log_prefix)s Failed to authenticate (user|device) [^@]+@<HOST>\S*$ ^%(__prefix_line)s%(log_prefix)s hacking attempt detected '<HOST>'$ ^%(__prefix_line)s%(log_prefix)s SecurityEvent="(FailedACL|InvalidAccountID|ChallengeResponseFailed|InvalidPa ssword)",EventTV="([\d-]+|%(iso8601)s)",Severity="[\w]+",Service="[\w]+",Eve ntVersion="\d+",AccountID="(\d*|<unknown>)",SessionID=".+",LocalAddress="IP...

Hello Anyone have a working copy of Fail2ban asterisk filter asterisk.conf for Asterisk 16 running PJSIP. I have tried 10 different filters but none of them show any matches when testing with fail2ban-regex I see date template hits but no matches.... My log [2019-06-06 15:37:20] NOTICE[18081] res_pjsip/pjsip_distributor.c: Request 'REGISTER' from '"2405" <sip:2405 at