Ethereal-users: Re: [Ethereal-users] ICQ dissector not being invoked for ICQ

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From: Guy Harris <guy@xxxxxxxxxx>
Date: Fri, 2 Mar 2001 17:34:27 -0800 (PST)
> Besides, ICQ2000 and later uses a totally different protocol than
> ICQ99 and earlier (it uses the same protocol as AOL Instant Messenger
> if I am not mistaken).

...in which case it might be interesting to see whether the AIM
dissector in "packet-aim.c" could be made to dissect it - currently,
you'd have to edit the file and change it to register itself with the
TCP port for ICQ2000, unless it's already using that port (port 5190),
but the next release will let you select a TCP packet, select the
"Decode As" menu item from the right-mouse-button menu, and specify that
the source, destination, or both ports of that packet should be
dissected as some particular protocol atop TCP, e.g. AIM.