4.0E and constant TCP sequence numbers

From: Keith Piepho <kap_at_uakron.edu>
Date: Thu, 04 Mar 1999 17:41:38 -0500

Hello,
  There were some messages several weeks refering to the fact that DU4.0E
uses constant TCP sequence numbers. Not being a TCP expert, I was
wondering about what the conventional wisdom is with respect to constant
sequence numbers and security, and how much of a problem that is. I am
looking for opinions of those more enlightened than myself. As I
understand it (which I don't claim is much), this could/would facilitate
such things as IP spoofing or perhaps even worse stuff.

Any info about whether constant sequence numbers are a problem, general
info on the ramifications, etc. would be greatly appreciated.

As always, I'll summarize for the list.

        -- - keith
-- 
Keith Piepho                    kap_at_uakron.edu
Technical Services              (330) 972-6130
The University of Akron
Received on Thu Mar 04 1999 - 22:43:51 NZDT

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