Microsoft Proxy Server
The ISA Server product line initiate with Microsoft Proxy Server. Microsoft Proxy Server v1.0 was initial launched in January 1997, and was deliberate to run on the Windows NT 4.0 platform. Proxy Server v1.0 was a essential product designed to present Internet Access for clients in a LAN Environment via TCP/IP. though well-integrated into the NT4 platform, Proxy Server v1.0 only had essential functionality, and came in only one version. comprehensive support for Proxy Server v1.0 finished on March 31, 2002.
Proxy Server v2.0 was initiate in December 1997,and incorporated better NT Account Integration, enhanced Packet Filtering support, and hold for a wider range of Network Protocols. Proxy Server v2.0 way out the extended support stage and hit End of Life on the 31st December 2004.