Wireshark-bugs: [Wireshark-bugs] [Bug 6060] Universal Alcatel Protocol
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Tue, 27 Sep 2011 23:22:19 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6060

--- Comment #11 from Jaap Keuter <jaap.keuter@xxxxxxxxx> 2011-09-28 08:22:18 CEST ---
(In reply to comment #10)
> (Re-opened for discussion about the following)
> 
> UDP port 5001 is already in use by another dissector: packet-cpfi.c and so its
> use by packet-uaudp.c is a conflict with that dissector.
> 
> Wireshark does not handle multiple registrations to the same port (perhaps it
> should); The "last" registration (in this case uaudp) wins.

Heuristics my friend, that's the alternative.

No really, the UDP/TCP port number is an addressing schema, a multiplex, just
like the type field at ethernet, protocol number at IP, etc. The
oversubscription of the muliplex is happening at all the layers. The final
decision has then to be made based on the contents of the PDU, heuristics.

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