Configuring Proxy Cache Mode 115You should not enter multiple proxy relay TCP port numbers as theSuperStack 3 Firewall redirects one TCP port number only (8080 bydefault). If you configure multiple proxy relay TCP port numbers on theWebcache, only the single port that you also configure on the Firewallwill be operational.d Enable Web Site Blocking on the Webcache in preference to theFirewall, as the Webcache has more advanced filtering abilities and isable to use the 3Com Web Site Filter (3C16118) if installed.2 Install the Firewall according to the SuperStack 3 Firewall User Guide(DUA1611-0AAA0x) taking into account any safety information.a On the Web interface of the Firewall click Advanced then Proxy Relay.b In the Proxy Web Server Address field enter the IP address of yourWebcache.c In the Proxy Web Server Port field enter the proxy relay TCP portnumber that you selected in step 1c (port 8080 by default).d Click Update to save your changes.3 No configuration is necessary on the client machines. The Firewall willintercept any HTTP requests for external URLs and will forward the trafficto the Webcache.For further information, see “Proxy Relay Deployment” on page 44.Configuring ProxyCache ModeTo configure Proxy Cache mode using the Web interface:1 Log in to the Web interface.2 Click Caching on the Toolbar.3 Select Set Caching Mode. The Set the Webcache Deployment Modescreen is displayed.4 In the Proxy Mode Ports field, enter a comma-separated list of all theports that the Webcache will listen on. The default TCP port is 8080.For further information, see “Proxy Cache Deployment” on page 45.Creating a ProxyAuto-configurationFileYou can use the Browser Auto-Configuration screen to create a PAC filewhich is stored on the Webcache or a network server. You can configurethe PAC file to:dua1611-5aaa04.book Page 115 Friday, November 29, 2002 8:56 PM
