How To: Create Internet usage rules on an ISA server

How to Create Internet usage rules on an ISA server

One of the uses of an ISA Server is to act as a proxy server. A proxy server allows your Windows XP and other desktop computers to make requests to the ISA Server and the ISA Server will then go and fetch the results from the internet or, if the ISA Server has cached the page(s), it can serve the pages from cache thus speeding up client browsing.