[Serusers] REGISTER NAT Failure

Michael Shuler mike at bwsys.net
Sun Oct 3 22:59:57 CEST 2004


SER doesn't seem to be returning the Unauthorized message to the correct
port, but it does get at least the right IP.  You will notice the REGISTER
is received on 216.43.27.75:56059 but the Unauthorized is sent back to
216.43.27.75:5060.  Is there any way to get SER to send back to the correct
port so symmetrical NAT will work correctly?




U 216.43.27.75:56059 -> 198.88.216.87:5060
  REGISTER sip:bwsys.net SIP/2.0..Via: SIP/2.0/UDP
192.168.1.119:5060;branch=z9hG4bK2309979991..From: SafeWayLine1
<sip:SafeWayLi
  ne1 at bwsys.net>;tag=1023220770..To: SafeWayLine1
<sip:SafeWayLine1 at bwsys.net>..Call-ID: 3966543944 at 192.168.1.119..CSeq: 15
REGIS
  TER..Contact: <sip:SafeWayLine1 at 192.168.1.119:5060>..max-forwards:
70..user-agent: Azacall200..expires: 60..Content-Length: 0..
  ..

#
U 198.88.216.87:5060 -> 216.43.27.75:5060
  SIP/2.0 401 Unauthorized..Via: SIP/2.0/UDP
192.168.1.119:5060;branch=z9hG4bK2309979991;received=216.43.27.75..From:
SafeWayLine
  1 <sip:SafeWayLine1 at bwsys.net>;tag=1023220770..To: SafeWayLine1
<sip:SafeWayLine1 at bwsys.net>;tag=ceb07c727e9d78dd71cafc9196e2f4
  a7.535c..Call-ID: 3966543944 at 192.168.1.119..CSeq: 15
REGISTER..WWW-Authenticate: Digest realm="bwsys.net", nonce="416067d1a3983
  6e4022698b6217bab605b990a18", qop="auth"..Server: Sip EXpress router
(0.8.14 (i386/linux))..Content-Length: 0....              


----------------------------------------

Michael Shuler, C.E.O.
BitWise Communications, Inc. (CLEC) And BitWise Systems, Inc. (ISP)
682 High Point Lane
East Peoria, IL 61611
Office: (217) 585-0357
Cell: (309) 657-6365
Fax: (309) 213-3500
E-Mail: mike at bwsys.net
Customer Service: (877) 976-0711 




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