Back To Basics: Troubleshooting Proxy Server 2.0 Page 2
The Web Proxy Service
The Web Proxy Service provides access to FTP, HTTP, HTTPS and Gopher protocols for CERN compliant browsers. With a CERN compliant web browser, users can access FTP, Web and Gopher sites via the Web Proxy Service.
One of the most useful aspects of the Web Proxy Service is the Web Cache. Almost all objects that are retrieved by the Web Proxy Service are placed in the Web Cache. After the object is placed in cache, a subsequent request for the same web object can be returned to the Web Proxy client from cache, rather than the web server from which the object originated. This improves the perceived performance from the client end, and can reduce bandwidth utilization on the external interface of the Proxy Server.
Like all three of the Proxy Server services, the Web Proxy clients can be subject to access controls. You can control what users or groups can access various Web Proxy Protocols. Figure 1 shows the configuration dialog box to configure these permissions.
The Web Proxy Service is an ISAPI "plug-in" to the WWW Service of the Microsoft Internet Information Server. This makes the Web Proxy Service dependent on the WWW Service in order to function properly. The authentication mechanism used by the Web Proxy Service is configured in the WWW Service's properties dialog box.
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