http://blogs.technet.com/yuridiogenes/archive/2009/06/19/tmg-making-firewall-management-an-easier-task.aspx1. Introduction I was Proxy 2 administrator back in 1997 in a technology school, in 2000 I took my Proxy 2.0 exam and when ISA 2000 was released I was really like: WOW, that’s a huge change. It was indeed a great moving from a simple Proxy to a more robusten-USCommunityServer 2.1 SP1 (Build: 61025.2)