Wireshark-dev: Re: [Wireshark-dev] Problem with protocol in udp por 3800
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From: Bill Meier <wmeier@xxxxxxxxxxx>
Date: Wed, 20 Jun 2012 11:43:34 -0400
On 6/20/2012 10:47 AM, Pedro Fuentes Ortega wrote:

Yes, the frames are displayed but but aren't dissected by the dissector.
Does 'tshark -G decodes | grep "udp\.port"' show your dissector as being registered on udp.port 3800 ?
If not, then maybe there's something wrong with your code to register the dissector (assuming that nothing else is registered on that port). 

If yes, then maybe your dissector has a problem (or not ...).
The best way to proceed is probably to use a debugger and put a breakpoint at the start of your dissector to see if the dissector gets called.