I have just configured ISA 2000 on SBS 2000 with XP SP2 clients.
I have made one access rule to allow unauthenticated access to a few sites and another to allow a couple of users unrestricted web access.
Clients are configured via entering proxy details, thru an automatic script.
The problem is that the people with limited access are being asked for a username and password when they try to surf to a blocked site.
Unrestricted users do not, so integrated authentication looks like it is working. Everyone can get to the limited site list without authenticaing too.
If I turn off all the rules, so as to block all access, then IE stops asking for a username and password for proxy server.
How can I stop the authentication box from appearing? This seems stupid, encouraging users to sit around try to guess other people's password. Especially now they can't get on the internet.