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Q.

What is Proxy server?

Tags: music, technology, proxy server
Asked by onewoman, 09 Jul '10 08:56 am
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Answers (4)

1.

Proxy server

In an enterprise that uses the Internet, a proxy server is a server that acts as an intermediary between a workstation user and the Internet so that the enterprise can ensure security, administrative control, and caching service. A proxy server is associated with or part of a gateway server that separates the enterprise network from the outside network and a firewall server that protects the enterprise network from outside intrusion.

A proxy server receives a request for an Internet service (such as a Web page request) from a user. If it passes filtering requirements, the proxy server, assuming it is also a cache server , looks in its local cache of previously downloaded Web pages. If it finds the page, it returns it to the user without needing to forward the request to the Internet. If the page is not in the cache, the proxy server, acting as a client on behalf of the user, uses one of its own IP addresses to request the page from the server out on the Internet. Whe ...more
Answered by anantharaman, 09 Jul '10 09:11 am

 
  
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2.

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. A proxy server may optionally alter the client's request or the server's response, and sometimes it may serve the request without contacting the specified server. In this case, it 'caches' responses from the remote server, and returns subsequent requests for the same content directly.
Answered by saranathan Narasimhan, 11 Jul '10 02:37 pm

 
  
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3.

PROXY server is used to provide internet to many desktops from single internet connection.
Answered by Tushar Kher, 10 Jul '10 09:07 pm

 
  
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4.

Proxy server is a computer that sits between a client computer and a real server, and provides indirect network services to a client. A proxy server intercepts all client requests, and provides responses from its cache or forward the request to the real server. Proxy servers are used for a few purposes. If it is used as a caching web proxy, it can dramatically improve performance of a web response. When a request is made by a client, a caching proxy returns response directly from its cache if the document exists. Otherwise, it makes the request to the real server, returns the result, and save it in its cache for later use. Proxy servers may also be used as a web proxy to filter web page contents. An organization or company may use a proxy server to block offensive web contents from viewed by the users. Internet Service providers may also use proxies to block computer viruses and other offensive contents.
Answered by sumati gayki, 09 Jul '10 09:02 am

 
  
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