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Sunday, September 17, 2006

 
Microsoft ISA 2006
This updates the article at:

.NET Internet Security and Accelerator ISA Server for not Yet Techies


The latest version is Microsoft ISA Server 2006. In Microsoft's words, it's the "integrated edge security gateway."

What that means is, it protects networks from Internet-based security threats such as hacker attacks, while allowing network users to access the resources of the Internet.

Microsoft Internet Security and Accelerator ISA Server 2006 can preserve bandwidth by compressing content over the HTTP network. It uses GZIP and Deflate compression technology algorithms to accomplish this.

It also uses the Differentiated Services protocol to give preferential treatment to certain packets going over the network. Thus, a critical document being sent to an important client can be given preference over Joe's who's just surfing the Net for fun (on his break, of course).

ISA 2006 uses flood mitigation to protect networks against viruses, worms and spyware -- and denial of service attacks from hackers. Plus, it tells you in real time the traffic coming through it, whether it was allowed or denied (and why denied), and records enough information about such traffic that it may be possible to track the attackers by IP address.

In effect, ISA 2006 operates as a super-firewall protecting a large business's security, while allowing normal business to continue.





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