You can install Microsoft Internet Security and Acceleration Server 2006 or ISA Server 2004 on a computer that has only one network adapter installed. Typically, you use this configuration when the following conditions are true:
| • | When ISA Server is located in the internal corporate network or in a perimeter network. |
| • | Another firewall is located at the edge that connects and protects corporate resources from the Internet. |
When ISA Server is installed on a computer that has a single network adapter, ISA Server supports the following scenarios:
| • | Forward Web Proxy requests that use HTTP, Secure HTTP (HTTPS), or File Transfer Protocol (FTP) for downloads |
| • | Cache Web content for use by clients on the corporate network |
| • | Web publishing to help protect published Web or FTP servers |
| • | Microsoft Outlook Web Access, ActiveSync, and remote procedure call (RPC) over HTTP publishing
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For more information about how to configure ISA Server in this scenario and about deployment limitations, visit the following Microsoft Web site: