about proxy

Proxy Server is a server on the computer that serve the computer client to do indirect connection with the other webs. At the first, the function of the Proxy is a connection between local web and outer web or internet, or it is called gateway. Then, the fuction of server is developed, it becomes filtering that is the effort of protection or limitation so that with filtering, a proxy server can protect and limit the client access on the private webs. And the third fuction is to store the web pages, which are accessed frequently, called cache or caching, by storing those pages on the local server. On the other hand, the best Proxy Server can also filter the web contents that are being accessed. For example, we limit or shift the bad situs (unexpected situs) to other situs.