Creating and configuring ISA firewall networks (2004)
If you've managed an ISA 2000 firewall, the networking model used in the new ISA firewall (ISA Server 2004) will likely send you for a loop. That's expected, as the new ISA firewall's networking model is completely new and improved. No longer do you have to deal with the LAT, and all connections made through the ISA firewall are exposed to the ISA firewall's stateful packet inspection (SPI) and stateful application layer inspection engines. Check out this article for details on getting started right.
By Thomas Shinder at ISA Server.
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