We have purchased ISA server 2006 Std. and it is installed in a box with 3 NICs.
NIC-A is connected to the Internet
NIC-B is connected to a local network with a w2003 domain controller
NIC-C is connected to another local subnet with no domain controller
We want to force any internet user on NIC-B and NIC-C to authenticate against AD at NIC-B's DC before they are allowed any internet access.
Also we need to restrict IM and P2P usage and finally impose weekly download quotas for the users.
Thanks a lot for some tips and comments on how to set up the ISA server in this scenario.