Ethereal-dev: Re: [Ethereal-dev] TDS decoding

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From: Guy Harris <guy@xxxxxxxxxx>
Date: Tue, 20 Nov 2001 18:03:51 -0800 (PST)
> If the port is 1433, or I've seen a login packet come through with the 
> port, I can be assured (well as good as it gets) that the thing at IP 
> address X and port Y is a SQL Server and I can automatically decode it.

Then what you'd want to do if you see a login packet is to create a
conversation for the source and destination addresses and ports (I'm
assuming this is TCP rather than UDP, so you don't get requests from IP
address C to IP address S1 and replies coming back to IP address C from
IP address S2), and make the netlib dissector be the conversation
dissector for that conversation.