Hi, I have done a netfilter module Which is support to Layer 7.I can able to compile our module with nfsim and tested the other functionalities.I have to test the Layer7 feature with nfsim.How can i generate the traffic based on application (e.g.ftp,ssh) rather than port numbers. I really appreciate your inputs here.;) Thanks veera Send instant messages to your online friends http://in.messenger.yahoo.com