0 , which equalized many of
the disparities between Microsoft??™s Proxy Server product and the competitors. Proxy Server
2.0 introduced the capability to create arrays of servers for redundancy and provided
support for HTTP 1.1 and FTP. In addition, the capability to ???reverse proxy??? was added,
protecting internal web servers by acting as a bastion host, or first layer of defense for
untrusted traffic. The release of this version of the product was much more successful, and
the Proxy Server product celebrated much wider industry acceptance as a web-caching and
reverse-proxy product.
Unleashing a New Model: The Internet Security and Acceleration
Server 2000
Although Proxy Server 2.0 provided for a wide array of security features, it did not enjoy
broad industry acceptance as a security device for one reason or another. Microsoft wanted
to focus more attention on the product??™s security capabilities, so it added more to the 3.0
version, and rebranded it as the Internet Security and Acceleration (ISA) Server 2000. This
rebranding directed attention to its security capabilities, while still giving a nod to the
web acceleration component, the caching capabilities.
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