. Single Network Adapter??”A Single Network Adapter template, commonly deployed
for caching-only servers or for reverse-proxy capabilities in an existing packet-filter
CHAPTER 3 Exploring ISA Server 2006 Tools and Concepts
FIGURE 3.4 Creating a new network set.
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3
Configuring Networks with ISA Console Network Wizards and Tools
firewall DMZ, provides a template for a server with a single NIC. Although not a traditional
firewall, this configuration is actually quite common.
For more information about using the New Network Wizard to apply network templates,
see the chapters in Part II, ???Deploying ISA Server 2006,??? especially Chapter 5.
Exploring Network Rules
A network rule in ISA Server is a mechanism that defines the relationship between
networks. For example, the network rules defined in Figure 3.5 define how traffic is transmitted
between the source and destination networks. The network rules defined allow
VPN clients to be routed to the internal network, for the Perimeter (DMZ) network to be
accessible, and for Internet access from protected client networks to be defined.
Of particular note is the network rule relationships that are set up, which are either Route
or NAT.
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