Proxy server is a computer server and / or a computer program that can act as another computer, functions to make requests to the content / pages / objects on the Internet or intranet. Proxy Server acts as a gateway to the Internet for each client computer, the proxy server is not visible (software) by the client computer. So if a user interacting with the Internet via a proxy server he will not know that a proxy server is handling the request / demand content / pages / object does.