Wireshark-bugs: [Wireshark-bugs] [Bug 6322] RTP Stream Analysis does not work for TURN-encapsula
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Thu, 8 Sep 2011 12:52:22 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6322

--- Comment #7 from Ken Cox <kenstir@xxxxxxxxx> 2011-09-08 12:52:20 PDT ---
RTP can be carried over UDP STUN, and if it is the UDP port number can be even
or odd.  RFC 3550 says: For UDP and similar protocols, RTP should use an even
destination port number and the corresponding RTCP stream should use the next
higher (odd) destination port number.  Adding (pinfo->ptype == PT_UDP) to the
heuristic was a lame attempt to maintain the spirit of the even-port check
without missing my odd-port TCP packets.  I don't see a problem in practice
with removing the even-port check altogether, aside from possibly more false
positives.

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