Hi you All buddies here in Isa Server Org Dear buddies i install new isa server installation on our new 2000 advance server machine later we are using proxy server 1.1 based on Nt4 machine im new in isa server and have limited knowledge about isa server in my first question i want to know that how i can block user in our local netwrok i want to block our local ip address so please give me hint about it Thanks And Regards Syed Ali