strange packet patterns confusing argus

Russell Fulton r.fulton at auckland.ac.nz
Mon Mar 14 16:42:58 EST 2005


On Mon, 2005-03-14 at 16:06 -0600, Nick Giordano wrote:

> I don't really expect Argus to be able to understand whats happening but 
> is there a filter expression that can help me find these types of 
> attempts?  I don't think I can say ra -nnn -r * - tcp and src syn and 
> src rst and ! dst synack. 
> 
> Is there anyway to find flows with a syn and reset from the source but 
> no synack from the destination?  Or for that matter, anyway at all to 
> assign src or dst to  the flag primitives?

I tend to do this sort of stuff the simple minded way by post processing
the -Zb output through perl.

Hmm... what does ragator do with these two sessions?

Russell
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