Proxy server is a server 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.
Advantages Of Proxy:
Proxy Servers primarily provide anonymity on the Internet, since there is no direct connection between you and the Server.
Proxy Servers can be used for Regulating a Network and to apply Access Control Lists (ACL’s) on network services or content. For Example, It can be used to Block undesired sites.
Proxy severs can also be used use to Log the Internet usage of the Users in a Specified Network.
Proxy Servers can also provide some features which are generally Found in Firewalls and Intrusion Prevention Systems such as scanning the transmitted content for Malwares before delivery.