Microsoft KB Archive/196312

= Reverse Proxying Does Not Work with a Single Network Card =

Article ID: 196312

Article Last Modified on 9/25/1999

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APPLIES TO


 * Microsoft Proxy Server 1.0 Standard Edition
 * Microsoft Proxy Server 2.0 Standard Edition

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This article was previously published under Q196312



SYMPTOMS
Reverse proxying does not work with a single network card.



WORKAROUND
Using Proxy's Web Publishing feature to publish from the local web server works with a single network adapter.

Using Web Proxy's Web Publishing feature to publish from an internal Web server (reverse proxy) works with a single network adapter if two IP addresses are bound to that adapter. The IP addresses must be on different IP subnets and only one of the IP address can reside in the Proxy's Local Address Table (LAT).



STATUS
This behavior is by design.



MORE INFORMATION
Reverse proxying is a feature of Microsoft Proxy Server that enables clients to send requests to a Web publishing server connected behind the Proxy Server computer. You can place your Web server behind the Proxy Server computer to publish to the World Wide Web without compromising the security of the Web server or its data. Proxy Server "impersonates" a Web server to the outside world, while your Web server maintains access to internal network services.

You can run Microsoft Proxy Server on a computer with only a single internal network adapter, such as for a chained-downstream configuration or a caching-only configuration. In this configuration, some functionality such as packet filtering and reverse proxying will be lost.

For additional information regarding Microsoft Proxy Server and reverse proxying and hosting, view the online documentation on the following:


 * Administration
 * Configuring Multiserver Environments
 * Configuring Web Publishing Parameters

Keywords: kbprb kbpending KB196312

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