Proxy Server is a server (a computer system or an application) 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 and the Proxy Server evaluates the request and determines which server to connect the client.

Types of proxy [1]#

A Proxy Server may reside on the user's local computer, or at various points between the user's computer and destination servers on the Internet.
  • A Proxy Server that passes requests and responses unmodified is usually called a gateway or sometimes a tunneling proxy. (SOCKS)
  • A forward proxy is an Internet-facing proxy used to retrieve from a wide range of sources (in most cases anywhere on the Internet).
  • A reverse proxy is usually an internal-facing proxy used as a front-end to control and protect access to a server on a private network. A reverse proxy commonly also performs tasks such as load-balancing, authentication, decryption or caching.

Uses of Proxy Server [2]#

There are of course many legitimate uses for Proxy Server including:
  • load balancing
  • providing single point of entry to a private network

More Information#

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« This page (revision-5) was last changed on 01-Apr-2017 15:19 by jim