High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! ShorttitleaA closed proxy is a proxy server that is only accessible to specific individuals because it only allows users within its area connect to it and/or requires a username and password. 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. For example, it may filter traffic by IP address or protocol. If the request is validated by the filter, the proxy provides the resource by connecting to the relevant server and requesting the service on behalf of the client.

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