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It may sometimes be necessary for the browser to pick up proxy settings from a configuration file, which is a simple text file saved as the PROXY.PAC fileThis file, as well as holding proxy settings can also be used for other situations, such as as load-balancing, fault tolerance, etc. The example shown here is for the basic concept.There are many modifications that may be applied for the PROXY.PAC file.In this following example multiple URLs are defined in order to bypass the proxy, and all the other URLs are defined to get through the proxy. function FindProxyForURL(url, host){ var proxy_yes = "PROXY 192.168.100.29:8080"; var proxy_no = "DIRECT"; if (shExpMatch(url, "http://www.finjan.com*")) { return proxy_no; } if (shExpMatch(url, "http://www.mycompany.com*")) { return proxy_no; } // Proxy anything else return proxy_yes; }Here are examples for configuring these settings on the 3 most common browsers. Once the configuration file is created, follow the procedures below for each of the broswers:Netscape Navigator:1. Copy the PROXY.PAC file to the C:\directory, or other directory of your choice.2. In the browser proxy settings, configure Automatic Proxy Configuration to file:///c|/proxy.pac3. Click on Reload button.
Internet Explorer1. Copy the PROXY.PAC file to the C:\directory, or other directory of your choice.2. In the browser proxy settings, configure Use Automatic Configuration Script URL to file://c:/proxy.pac
Mozilla FireFox 1. Copy the PROXY.PAC file to the C:\directory, or other directory of your choice.2. In the browser proxy settings, configure Automatic proxy Configuration URL to file:///c:/proxy.pac3. Click on Reload button.
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