NBAR configuration
on IOS router to block Kazaa traffic
class-map match-any
p2p
match protocol fasttrack file-transfer *
policy-map block-p2p
class p2p
set ip dscp 1
int FastEthernet0
description PIX/Inside facing interface
service-policy input block-p2p
int Serial0
description Internet/Outside facing interface
ip access-group 100 out
access-list 100 deny ip any
any dscp 1
access-list 100 permit ip
any any