On Wed, Jun 13, 2001 at 03:03:55PM +0300, Nawar, Hany Nader Soliman (Hany) wrote:
> I'd like to build an application over tcpdump (like ethereal for example).
> I need to know whether there is documentation about tcpdump that I can rely
> on.
There's only the source code, as far as I know.
See mail I sent as a reply to your question to ethereal-dev for
information about tcpview, a (Motif) GUI application built atop (an old
version of) tcpdump.
> Anther question, I run tcpdump from the command line and I get only the
> packets headers, how do I get the packets data?
Run tcpdump with the "-x" flag; it'll dump the packet data in hex.
Also, you may want to run it with the "-s" flag specifying a "snapshot
length" greater than the default 68 or so; otherwise, tcpdump will see
only the first 68 or so bytes of the packet, and not be able to dump any
more.
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