52 CHAPTER 3: CONFIGURING WEB B ROWSERS6 Tick Go Direct if no Webcache Available if you want to configure Webbrowsers to directly access the Web if the main and backup Webcachesfail. Click OK.You must next set the Web browser to read the PAC file for its settings.To set Internet Explorer 5:1 Open Internet Explorer.2 From the Tools menu, click Internet Options.3 Click the Connections tab.4 Click LAN Settings.5 Tick Use automatic configuration script.6 Enter the URL or location of the Webcache in the Address field in thefollowing format:http://nnn.nnn.nnn.nnn:8082/where nnn is a decimal number between 0 and 255. An example IPaddress is ‘192.168.1.253’. The port number on which the Webcachealways serves PAC files is 8082; you cannot change this port number.7 Click OK.To set Netscape Navigator 4.5:1 Open Netscape Navigator.2 From the Edit menu, click Preferences.3 Click the Advanced category and click Proxies.4 Select Automatic Proxy Configuration.5 Enter the URL or location of the Webcache in the Configuration locationfield in the following formathttp://nnn.nnn.nnn.nnn:8082/where nnn is a decimal number between 0 and 255. An example IPaddress is ‘192.168.1.253’.In Netscape, you can enter a shortened PAC address such aswebcache:8082 and Netscape successfully configures itself using the PACfile. In Internet Explorer, however, this address is not recognized and youare not warned that the PAC file is being ignored. You must include"http://" at the start of the URL i.e. http://webcache:8082.