Proxy servers
In computer networks, a proxy server is a server (a computer system or an application program) that acts as an intermediary for requests from clients seeking resources from other servers. A client connects to the proxy server, requesting some service, such as a file, connection, web page, or other resource, available from a different server. The proxy server evaluates the request according to its filtering rules.
It is server which acts as a “proxy” for an application by making a request on the Internet in its stead. This way, whenever a user connects to the Internet using a client application …