Introduction
In this ISA Server 2004 Configuration Guide document we will install the ISA Server 2004 software onto the Windows Server 2003 computer we installed and configured in Chapter 1. Installing ISA Server 2004 is straightforward as there are only a few decisions that need to be made during installation.
The most important configuration made during installation is the Internal network IP address range(s). Unlike ISA Server 2000, ISA Server 2004 does not use a Local Address Table (LAT) to define trusted and untrusted networks. Instead, the ISA Server 2004 firewall asks for the IP addresses defining a network entity known as the Internal network. The internal network contains important network servers and services such as Active Directory domain controllers, DNS, WINS, RADIUS, DHCP, firewall management stations, and others. These are services the ISA Server 2004 firewall needs to communicate with immediately after installation is complete.
Communications between the Internal network and the ISA Server 2004 firewall are controlled by the firewall’s System Policy. The System Policy is a collection of
In the document we will discuss the following procedures:
•Installing ISA Server 2004 on Windows Server 2003
•Reviewing the Default System Policy
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