Microsofts ISA

You should be able to find answers to your questions here:

http://www.microsoft.com/isaserver/

Regarding Proxy 2.0, MS states: "Over 11 times faster than its predecessor, Microsoft Proxy Server 2.0, ISA Server demonstrated industry-leading Webcache performance in the Third Annual Cache-Off, finishing in the top tier in a field with 31 other entries and ranking first in the price/performance category."

Hope this helps. Good luck....

We have been running ISA now for a year or two. It will upgrade from Proxy 2. Works ok, and has some great extra features like user/group based restriction to sites. Also has API's for content scanning, AV etc. It is a little more complex than Proxy, but once you get the hang of it it is fine. If you just want a cache, then don't rush it, made no difference on that front.

You can get a 120 day trial version of ISA server from Microsoft.

http://www.microsoft.com/isaserver/

It's pretty good firewall and IP packet filter software and like #2, is a pretty good way of controlling access by individual or group.

Check out http://www.isaserver.org this is the best site on the web for ISA. I have used ISA for 2 years now and this is where I find most of my answers.

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