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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Not sure if this has been answered but I cannot find a solution.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am running Asterisk 1.4.26.3<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am seeing the following lines in my log files:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>A: [2013-03-05 13:54:27] NOTICE[6928] chan_sip.c: Failed to authenticate user <sip:192.210.138.12>;tag=DmVIjOlfYiiL<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>B: [2013-03-05 12:20:00] NOTICE[6928] chan_sip.c: Failed to authenticate user 101<sip:101@my.asterisk.server.ip>;tag=eec630f1<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>C: [2013-03-03 05:15:02] NOTICE[31158] chan_sip.c: Registration from '"101381"<sip:101381@my.asterisk.server.ip>' failed for '85.25.23.129' - No matching peer found<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Now Two Part Question:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Part 1: <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I understand that line C is from some soft phone like Xlite, IP phone, or program trying to register extension 101381 to my server and the user exten does not exist. I don’t understand the method for A or B. I don’t understand what generates that error message. Can someone explain?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Part 2:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Fail2ban blocks line C as per the regex in filters/asterisk.conf. What I don’t understand is why doesn’t lines A or B have a built in regex line? This goes back to not knowing the method that generates the error message in part 1. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Also, can I update the regex in asterisk.conf, <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>From: NOTICE.* .*: Failed to authenticate user <a href="mailto:.*@%3cHOST%3e.*">.*@<HOST>.*</a> <o:p></o:p></p><p class=MsoNormal>To: NOTICE.* .*: Failed to authenticate user .*<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>It should ban both A and B, along with the original Regex line that I modified.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Question is, would this present a problem under normal circumstances? I know when the line comes up with my.asterisk.server.ip it will get ignored because I am in the ignoreip list but I want to make sure it will be OK to adjust.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks community!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>-E<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>