Re: TCP Flags and HEX

[James Riden <j.riden () massey ac nz>]

Eric Hines <eric.hines () appliedwatch com> writes:

> Does anyone have a URL that gives the different hex/ascii values for the 13th 
> byte offset of the TCP Header and their corresponding TCP flag?
>
> e.g. 0x02=SYN, etc.

from 'man tcpdump':
 
                       |C|E|U|A|P|R|S|F|
                       |---------------|
                       |7 6 5 4 3 2 1 0|


FIN, SYN, RST, PSH, ACK, URG from bit 0 upwards, and that's as far as
I typically need to know.

cheers,
 Jamie
-- 
James Riden / j.riden () massey ac nz / Systems Security Engineer
GPG public key available at: http://www.massey.ac.nz/~jriden/
This post does not necessarily represent the views of my employer.


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