Installing ISA 2004 or 2006 with only one NIC

If you have ever looked into ISA you will find that it is a very capable firewall. One of its major features is the ability to do application level scanning of traffic which helps cut out exploit type traffic pretending to be something it isn't!

 

It you are setting up ISA in a single NIC configuration then you will loose some functionality. Check out the links below to see what:

 

http://support.microsoft.com/kb/838364

 

http://www.microsoft.com/technet/isa/2004/plan/single_adapter.mspx

 

Cheers

Nathan