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Date:      Fri, 12 Jun 1998 07:39:28 -0700
From:      John Polstra <jdp@polstra.com>
To:        hans@brandinnovators.com
Cc:        hackers@FreeBSD.ORG
Subject:   Re: TCP sequence numbers
Message-ID:  <199806121439.HAA11334@austin.polstra.com>
In-Reply-To: <199806120831.KAA00529@truk.brandinnovators.com>
References:  <199806120831.KAA00529@truk.brandinnovators.com>

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In article <199806120831.KAA00529@truk.brandinnovators.com>,
Hans Zuidam <hans@brandinnovators.com> wrote:

> For a particularly nasty TCP problem I have with an embedded target
> I would like to have the ability to always use the same initial
> sequence number on a particular connection.  It would make it easier
> to compare tcpdump traces.

Are you sure?  Tcpdump prints TCP sequence numbers in relative form,
relative to the initial one, unless you give it the "-S" option.  Your
traces should match already, except for the initial packet from each
side.
--
   John Polstra                                       jdp@polstra.com
   John D. Polstra & Co., Inc.                Seattle, Washington USA
   "Self-knowledge is always bad news."                 -- John Barth

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