tcpdump mailing list archives

Re: tcp sequence and ack number with libpcap


From: Andrej van der Zee <andrejvanderzee () gmail com>
Date: Fri, 20 Aug 2010 09:33:13 +0900

Hi Ronnie,


Note:
The relative numbers are not part of the TCP protocol.
The relative numbers does not actually exist. Only the absolute
numbers exist in the packets.

Relative numbers are an invention inside tcpdump to make the printed
numbers easier to read for humans.



Thank you, I got it working now. Your explanation and the tcpdump
source-code made it work...

Cheers,
Andrej
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