13. Review the settings and click Finish.
14. Click Apply in the Details pane and click OK after it has been confirmed.
Examining Advanced ISA Firewall Concepts
In general, creation of firewall policy rules and network policy rules comprise the bulk of
the types of activities that an ISA firewall administrator will perform. Specific advanced
tasks, however, should be understood when deploying ISA Server as a firewall.
Publishing Servers and Services
ISA Server 2006 can secure and ???publish??? a server to make it available to outside resources.
The ???publishing??? of servers involves making web servers, OWA servers, SharePoint sites,
Citrix servers, and the like available to the outside without directly exposing them to the
FIGURE 5.11 Creating firewall access rules.
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Examining Advanced ISA Firewall Concepts
traffic. The advantage to using ISA to publish servers is that it enables the ISA server to
pre-authenticate connections to services and act as a bastion host to the network traffic,
making sure that internal servers are never directly accessed from the Internet.
ISA Server 2006 supports publishing multiple types of servers, and it is important to
understand how to set this up.
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