maybe i dont configurated fully the isa, this is that i did: 1. installed windows 2000 server - server access to internet. 2. installed the active directory - server access to internet. 3. installed win2000 service pack 2 - server access to internet. 4. initialiced isa server. 5. installed isa server. 6. configured clients address sets. 7. created a protocole rule for internet access. thats all, the clients access to internet, but only for sometime. the incoming web request: port 80 the outgoing web request: port 8080 i uninstalled isa and install isa at 9:00 am, in this moment 12:00 pm and isa is working yet. bye anibal zaldivar Are you a Yahoo? Turn your email into a secure Online Office 100% Ad free! http://www.norada.com/office