Showing posts with label Proxy Server. Show all posts
Showing posts with label Proxy Server. Show all posts

Wednesday, October 20, 2010

Proxy Cache

By a proxy server to download the page storage. a proxy server to provide a channel for multiple users. Buffering agent allows a proxy server on the same site to reduce the number of requests the same page. Once the proxy server, a user requests a page, the proxy server to save the page to serve its other customers the same request. High-traffic network gateway, such as America Online (AOL) and CompuServe, by storing popular web site to speed up the display buffer, such as the White House to put a local server. The one hand, this treatment reduces the time users wait for page display, but the site is ad-supported loss of damage due to traffic, because the cache can not be captured or measured. May reduce the role of cookies.

Friday, October 15, 2010

Proxy Server

Proxy Server is an important safety feature, it works mainly in the Open Systems Interconnect (OSI) layer model of dialogue, and thus play the role of the firewall. Most of the proxy server is used to connect INTERNET (Internet) and INTRANET (LAN).
In general, we use the web browser to connect to other Internet sites directly to obtain network information, is directly connected to the destination site server, and then by the destination site server to transmit the information back. Proxy server is between the client and the Web server to another server, with it, the browser is not directly to the Web server to retrieve web page but the request to the proxy server, the signal will be sent to the proxy server, by the proxy server to retrieve the information needed by the browser and send your browser.
In the URL box, enter the address you want to visit the site, click the proxy browser will open a new window links the proxy server, you can wait a few seconds, if such appears not link server error, please try to select another server above, Because the proxy server resource consumption is relatively large, and there is timely, therefore sometimes can not open, must be several attempts to proxy servers. Automatically updated each day the latest available server.