Date: Mon, 15 Jun 1998 15:28:02 -0400 From: Dennis Rockwell <dennis@bbn.com> To: hans@brandinnovators.com (Hans Zuidam) Cc: jdp@polstra.com (John Polstra), hackers@FreeBSD.ORG Subject: Re: TCP sequence numbers Message-ID: <199806151928.PAA04665@po1.bbn.com> In-Reply-To: Message from hans@brandinnovators.com (Hans Zuidam) <199806150637.IAA11326@truk.brandinnovators.com> .
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On 15 Jun, Hans Zuidam wrote: > > John Polstra wrote: > > [ ... ] 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. > But the other side cannot "tcpdump", it's an embedded system from > which I can only get absolute sequence numbers ;-( Also, trpt(8) > dumps it's sequence numbers in abosolute (hex) numbers, that's easy > to change. If you're doing the comparisons under FreeBSD, it's a dead-trivial AWK or perl script to normalize the sequence numbers. Or are you comparing printouts from two different systems, rather than files online? Dennis Rockwell dennis@bbn.com GTE Internetworking Powered by BBN +1-617-873-5745 Cambridge, MA +1-617-873-6091 (Fax) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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