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HTTP is one of the most successful and widely used protocols on the Internet today. It is application-layer protocol used to transmit and receive hypertext pages. HTTP allows a client usually a web browser to send a simple request and receive response back from the server. Whenever you write a URL in address bar of you browser, your browser firstly contacts the web server, web server locates the requested page and sends the appropriate response. These requests and responses are issued in HTTP. (more…)