3Com 3CR16110-95-US User Guide - Page 112
Deploying the SuperStack3 Webcache as a Proxy of the Firewall, Advanced, Proxy Relay
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112 CHAPTER 8: ADVANCED SETTINGS The problem with installing a proxy server on the LAN is that each client must be configured to support the proxy, which adds to administration tasks. The alternative is to move the proxy to the WAN or DMZ, depending upon the level of protection desired, and enable Automatic Proxy Forwarding. The Firewall can automatically forward all Web proxy requests to the proxy server without client configuration. As a result, no client configuration is required when a Web Proxy is used. The Firewall can also be used to forward all Web (HTTP) traffic to a Web Cache on the network. The Web Cache can be placed either on the WAN or the DMZ side of the Firewall. The installation is the same as for a Proxy Server. See below. 1 Click Advanced, and then select the Proxy Relay tab. A window similar to that in Figure 49 displays. Figure 49 Proxy Relay Window 2 Enter the IP address of the proxy in the Proxy Web Server Address box, and the proxy's IP port in the Proxy Web Server Port box. 3 Click Update to save your changes. Deploying the SuperStack 3 Webcache as a Proxy of the Firewall The following example describes how to install the 3Com SuperStack® 3 Webcache 1000/3000 (3C16115/3C16116) as a proxy server of the SuperStack 3 Firewall (3CR16110-95). A sample network layout is shown in Figure 50 below.