> 2) can anyone tell me how to block access to kazaa? > thanks, > alex. > I came across this last night: http://l7-filter.sourceforge.net/ It is a kernel module that can filter packets based on their application data, and is intended to spot services like kazaa which use unpredictable ports. It can be used with iptables to filter them out, if you are running a linux gw. cheers Matthew Wilson.