How to match string p2p traffic

["Mauricio Lataban" <satal_@xxxxxxxxxxx>]

I do not how to use match string to deny kazaa traffic, if I put the word 
kazaa only http content is deny but the kazaa aplication is running, are 
there special commands to match string?

thanks

_________________________________________________________________
Charla con tus amigos en línea mediante MSN Messenger:  
http://messenger.microsoft.com/es

_______________________________________________
LARTC mailing list / LARTC@xxxxxxxxxxxxxxx
http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/