https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6373
--- Comment #11 from Stephen Fisher <steve@xxxxxxxxxxxxxxxxxx> 2011-09-28 09:51:49 MDT ---
(In reply to comment #9)
> 3. Fix VNC dissector, that even if it's registered on that port, it won't grab
> it if it can't find VNC traffic?! 'Un-register' it in that case? not sure how
> to do it exactly.
The VNC dissector can run into difficulties determining if a packet on port
5900 really belongs to VNC, especially when the capture session started after
the VNC connection began, because of the way the protocol was designed.
Wireshark works best when every packet has everything necessary to decode it
entirely. VNC instead assumes that everything before the current packet was
already seen and kept track of.
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