Showing posts with label Proxy. Show all posts
Showing posts with label Proxy. Show all posts

Thursday, August 25, 2011

What is a Proxy Server?

What is a Proxy Server?


It is a server that sits between a client application, such as a Web browser, and a real server for which client requested. Proxy server is a computer that offers a computer network service to allow clients to make indirect network connections to other network services. It intercepts all requests from client to the real server to see if it can fulfill the requests itself. If not, it forwards the request to the real server.In some cases, the proxy may alter the client's request or the server's response for various purposes.
Proxy servers have two main purposes:


Improve Performance: Proxy servers can improve performance for users. This is because it saves the results of all requests for a certain amount of time. Next time if same request comes, it serves from the saved pages rather than the real server.