Wireshark-bugs: [Wireshark-bugs] [Bug 6060] Universal Alcatel Protocol
Date: Tue, 27 Sep 2011 13:19:00 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6060

Bill Meier <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |

--- Comment #10 from Bill Meier <[email protected]> 2011-09-27 16:18:59 EDT ---
(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.

Is 5001 an "officially assigned port" for either of these protocols ?

I don't know, but I suspect not since I do note that the IANA port assignment
for UDP 5001 is 

commplex-main 5000 tcp
commplex-main 5000 udp
commplex-link 5001 tcp
commplex-link 5001 udp

So: I don't know which Wireshark dissector should be allowed to specify UDP
port 5001 but I'd be inclined to say that an existing dissector should have
priority over a new dissector (all other things being equal).

IMHO removing 5001 from the "UDP port range" in packet-uaudp is the right
answer.

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