ICAInternalResources Additional Information

This section provides a description of ISA Server client types and a list of additional resources.

ISA Server Clients

The following table summarizes ISA Server client types.

Client type Feature

Firewall client

Computers with Firewall Client software installed and enabled. Firewall Client uses a common Winsock provider, and intercepts requests from applications making Winsock requests. The Firewall client decides on a per-application basis how to deal with such requests. This is the only client that can use secondary protocols.

SecureNAT client

Computers with a default route through the network to the ISA Server computer as a means of communication to other networks. No Firewall Client software is installed and enabled.

In a simple network, ISA Server is configured as the default gateway.

In a complex network, the client points indirectly to ISA Server through routers, with ISA Server as an endpoint.

Web Proxy client

Computer running Web-enabled application (such as Internet Explorer) that can be configured to proxy Web requests to ISA Server.

Note

Computers can be configured as more than one client type. For example, a computer may have Firewall Client software installed, or be configured as a SecureNAT client with a default gateway to the ISA Server computer, and be configured to also act as a Web Proxy client by pointing Web Proxy settings to ISA Server. The client type used is in the context of the request made to ISA Server.

Resources

Additional ISA Server 2004 documents are available at the ISA Server 2004 Guidance page.

Also, refer to the following Microsoft Knowledge Base articles and Microsoft TechNet Web site articles:

  • Microsoft Knowledge Base article 312864 "Automatic Proxy Discovery in Internet Explorer with DHCP requires specific permissions"
  • Microsoft Knowledge Base article 838122 "How to deploy the ISA Server 2004 Firewall Client program"
  • Automatic Discovery for Web Proxy and Firewall Clients at the Microsoft TechNet Web site
  • Microsoft Knowledge Base article 816320 "How to configure firewall client and Web proxy client Autodiscovery in Windows Server 2003"
  • ISA Server 2004 Standard Edition Service Pack Pack 1 at the Microsoft Download Center.