<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div class=""><span style="background-color: rgba(255, 255, 255, 0);">Hi all - my Kamailio - 4.1.6 is receiving this particular structured INVITES from multiple IPs, and for some reason it is not requesting authentication. I have AUTH & IPAUTH modules in use for two years now, but this is bypassing that and actually forwarding the invite to asterisk servers behind Kamailio.</span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);"><br class=""></span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);">I notice from the invite that the contact (c=IN IP4 10.10.10.10) is unusual and in the private range. Is this what is bypassing Authentication?</span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);"><br class=""></span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);">Any Pointers on how to stop this. This is flooding my boxes!</span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);"><br class=""></span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);">==========================================</span></div><span style="background-color: rgba(255, 255, 255, 0);"><br class=""></span><div class=""><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">2016/09/16 06:45:16.824768 83.48.28.27:63029 -> MYPUBLICIP:5060</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">INVITE <a href="http://r.ae.d.sendibt1.com/link.php?str=NDkyNzU5NDZ%2BZWtvb21lQHlhaG9vLmNvbX48MjVCNjg2ODYtQzc1NS00MUI1LTk3NjAtNEREMjU1MDA1RTJDQGRpYWxzcG9yYXRlbC5jb20%2Bfg%3D%3D&mailin-url=sip:9441134018000@MYPUBLICIP" class="">sip:9441134018000@MYPUBLICIP</a>SIP/2.0</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">Via: SIP/2.0/UDP 83.48.28.27:5060;branch=z9hG4bK898408493</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">Max-Forwards: 70</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">From: "<a dir="ltr" href="tel:442030930112" x-apple-data-detectors="true" x-apple-data-detectors-type="telephone" x-apple-data-detectors-result="2">442030930112</a>" <<a href="http://r.ae.d.sendibt1.com/link.php?str=NDkyNzU5NDZ%2BZWtvb21lQHlhaG9vLmNvbX48MjVCNjg2ODYtQzc1NS00MUI1LTk3NjAtNEREMjU1MDA1RTJDQGRpYWxzcG9yYXRlbC5jb20%2Bfg%3D%3D&mailin-url=sip:442030930112@83.48.28.27" class="">sip:442030930112@83.48.28.27</a>>;tag=<a dir="ltr" href="tel:5044916148" x-apple-data-detectors="true" x-apple-data-detectors-type="telephone" x-apple-data-detectors-result="4">5044916148</a></span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">To: <<a href="http://r.ae.d.sendibt1.com/link.php?str=NDkyNzU5NDZ%2BZWtvb21lQHlhaG9vLmNvbX48MjVCNjg2ODYtQzc1NS00MUI1LTk3NjAtNEREMjU1MDA1RTJDQGRpYWxzcG9yYXRlbC5jb20%2Bfg%3D%3D&mailin-url=sip:9441134018000@MYPUBLICIP" class="">sip:9441134018000@MYPUBLICIP</a>></span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">Contact: <<a href="http://r.ae.d.sendibt1.com/link.php?str=NDkyNzU5NDZ%2BZWtvb21lQHlhaG9vLmNvbX48MjVCNjg2ODYtQzc1NS00MUI1LTk3NjAtNEREMjU1MDA1RTJDQGRpYWxzcG9yYXRlbC5jb20%2Bfg%3D%3D&mailin-url=sip:442030930112@83.48.28.27" class="">sip:442030930112@83.48.28.27</a>></span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">Call-ID: 9xCjfQkrmDwT7D6AqM0BTYAgmWjG84nq</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">CSeq: 102 INVITE</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">User-Agent: SIP Call</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">Date: Fri, 16 Sep 2016 05:45:48 +0000</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, INFO, MESSAGE</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">Supported: replaces, timer</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">Content-Type: application/sdp</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">Content-Length: 308</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);"><br class=""></span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">v=0</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">o=<a dir="ltr" href="tel:442030930112" x-apple-data-detectors="true" x-apple-data-detectors-type="telephone" x-apple-data-detectors-result="7">442030930112</a> <a dir="ltr" href="tel:8982%201536" x-apple-data-detectors="true" x-apple-data-detectors-type="telephone" x-apple-data-detectors-result="8">8982 1536</a> IN IP4 10.10.10.10</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">s=SIP</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">c=IN IP4 10.10.10.10</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">t=0 0</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">m=audio 14806 RTP/AVP 0 3 8 4 18 101</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">a=rtpmap:0 PCMA/8000</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">a=rtpmap:3 GSM/8000</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">a=rtpmap:8 PCMU/8000</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">a=rtpmap:4 G723/8000</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">a=rtpmap:18 G729/8000</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">a=rtpmap:101 telephone-event/8000</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">a=fmtp:101 0-16</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">a=ptime:20</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">a=sendrecv</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">Regards</span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div><div class="" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal;"><span style="background-color: rgba(255, 255, 255, 0);">Eric</span></div></div></div></div><span style="background-color: rgba(255, 255, 255, 0);"><img width="1" height="1" src="http://r.ae.d.sendibt1.com/index.php/NDkyNzU5NDZ%2BZWtvb21lQHlhaG9vLmNvbX48MjVCNjg2ODYtQzc1NS00MUI1LTk3NjAtNEREMjU1MDA1RTJDQGRpYWxzcG9yYXRlbC5jb20%2Bfg%3D%3D.jpg"></span><div></div></body></html>