In computer networking, a proxy server is a server application that acts as an intermediary between a client requesting a resource and the server providing that resource.

Instead of connecting directly to a server that can fulfill a request for a resource, such as a file or web page, the client directs the request to the proxy server, which evaluates the request and performs the required network transactions.

This serves as a method to simplify or control the complexity of the request, or provide additional benefits such as load balancing, privacy, or security. A proxy server thus functions on behalf of the client when requesting service, potentially masking the true origin of the request to the resource server.

This allows the original request and its location to remain unknown to the destination server.
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