Path: utzoo!utgpu!watserv1!maytag!xenitec!zswamp!root
From: root@zswamp.fidonet.org (Geoffrey Welsh)
Newsgroups: comp.dcom.modems
Subject: Re: PPP spoofing
Message-ID: <6595.27880096@zswamp.fidonet.org>
Date: Sun, 06 Jan 91 16:03:05 EST
Organization: Izot's Swamp BBS - Kitchener, Ontario

Ian G Batten (igb@fulcrum.bt.co.uk ) wrote:

 >General TCP spoofing is not possible because of the unknown 
 >semnatics of
 >the data stream passing.  UUCP (and Kermit, and ?Modem) is 
 >spoofable
 >because you can distinguish in a fairly trivial way between 
 >packet level
 >acknowledgements and end to end acknowledgements and Do The 
 >Right Thing.

   Thank you for a much needed (and I speak only for myself, of course)
lesson in TCP/IP mechanics.  I often wish that I had the time, equipment,
and cash to learn these things first-hand.

 

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