How to drop the Kazza and AudioGalaxy Ports?

[Carlos Horacio Silva Elizondo]

Hello  ,  Any body knows how to drop the port of kazza and AudioGalaxy

using IPtables

I want to restrict All Internal Network to use This Programs

 

eth0 External Network

eth1 Internal Network

Running SuSE 7.3 Kernel 2.4.-10

Thanks!
Carlos Silva