Wireshark · Wireshark-dev: Re: [Wireshark-dev] Unable to add my dissector for tcp.dstport

[Guy Harris <guy@xxxxxxxxxxxx>]

On Jan 11, 2008, at 2:57 AM, Abhik Sarkar wrote:

> If you really want to dissect only packets where the destination port
> is 50505, then you could register the protocol using the tcp.port
> table and then add a check in your code to immediately return if the
> source port is 50505 and proceed with dissection only when the
> destination is 50505.

That would mean that traffic from TCP port 50505 won't be dissected at  
all.

(What happens if the traffic happens to be to *and* from port 50505?)