String Match

[Oliver Fromme]

Cesar <listas at itm.net.br> wrote:
 > 
 > Sorry for my bad explanation ...
 > 
 > I want to do with ipfw what the IPP2P (http://www.ipp2p.org) do, it use a 
 > modification in linux kernel/iptables some kind of "string match" to 
 > identify P2P traffic.

Which is basically a bad idea, as I have explained in my
previous mail.

 > Nowadays I use port based rules to limit P2P traffic, which is not a good 
 > solution since most of P2P programs are using random ports.

May I ask why do you need to do that?  Are you operating
an internet router for untrusted users?

Best regards
   Oliver

-- 
Oliver Fromme,  secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing
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