Record direction and missed SYN

Rafael Barbosa rrbarbosa at gmail.com
Tue Sep 11 11:46:37 EDT 2012


Hi,

I am running into another problem with the reversed record directions. Now
I have a flow with a single record were the SYN packet is missing (i.e.,
the first captured packet is a SYN-ACK).

After creating the argus dump and reading it with ra, I get the following:
$> argus -r bug.pcap -w bug.argus
$> ra -r bug.argus
   09:43:42.524434  e           tcp       X.X.X.X.10502     ->
Y.Y.Y.Y.43539        10       3312   FIN

So argus is using the source of the SYN-ACK packet as 'client' and the
destination as 'server', while the opposite would be the correct.

I uploaded the bug.pcap to the server.

Best regards,
Rafael Barbosa
http://www.ewi.utwente.nl/~barbosarr/
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