A .pac (Proxy Auto Config) file is a file stored on a web server that contains instructions for the browser, to help automate the proxy server setting configuration in a web browser. The .pac proxy configuration file contains JavaScript code, and must contain one function called FindProxyForURL. This function accepts two parameters, a URL, and a Hostname. This function returns either “DIRECT” to tell the client to connect to the web server without using a proxy, or “PROXY” followed by…
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