Ethereal-dev: Re: [Ethereal-dev] Patch to M2UA to allow a preference for an old Draft 7 Protoc

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From: Guy Harris <guy@xxxxxxxxxxxx>
Date: Mon, 1 Dec 2003 15:28:22 -0800

On Dec 1, 2003, at 2:51 PM, Michael Lum wrote:

I copied the preference code I used from another dissector.

Dissectors whose preference settings include port numbers often do that, so that if the port number changes the dissector will be unregistered from the old port number and registered with the new port number.

For dissectors that don't have a port number as a preference, it's not necessary.