David Barrett wrote:
> You could perhaps reverse DNS the destination IP and see if it either
> has no record or falls under an ISP domain.  That won't be foolproof,
> but neither are the other approaches.

OK, this is a good point, but is a very time expensive test,
with a lot of false positive... I think

> Perhaps it could be one factor in assigning a "p2p score" to each
> packet.  Sum up and average the p2p scores of all packets coming out of
> a node and then you could have an overall p2p score for that node.

Yes, this is a common behavior of all methods above mentioned
 

> It probably depends on your final goal.  What are you trying to
> accomplish?

I'm looking for a new approach in order to implement an application
different from current solution (ipp2p, l7-filter, snort p2p rules,
packetsure and so on)


-- 
regards,
      Steve Almasi

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