https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4097
--- Comment #5 from stéphane bryant <sbryant@xxxxxxx> 2009-10-07 05:41:46 PDT ---
The weakness of the heuristic comes from the fact that this dissector
also takes in account the data channel negociated through TURN
(based on draft-ietf-behave-turn-07. Current version is 16 but
i don't think it differs much in that regard) --which format is not
very distinctive indeed ...
The heuristic difference between UDP and TCP comes from the draft itself:
in stream orientated protocol, the length needs to be padded, not in UDP.
In 'real life', since the channel is being negociated, not much confusion
is possible: we would have to to the same: track the channel negociation, or
at least the presence of regular STUN traffic on the same port bindings...
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