Know the Proxy Server and Functions

The word derives from the Latin Proxy proximus, which means close. Proxy server is a server which helps us to maintain our privacy in accessing the Internet. When we access the Internet using a proxy, the web page that we visit will not be able to see us. Web page will only see the proxy that we use it. Proxy servers operate as follows.

Client connecting with a proxy server, and ask for certain services such as files, connections, access the web page or other. Proxy server then evaluates the service request in accordance with its filter rules.

For example, proxy servers can filter traffic by IP address or protocol. If the request is validated by the filter, then the proxy will provide what is requested by connecting to the server the requested and requesting service from that server to its clients.

Proxy server can be used for various purposes including:

     * To hide a specific server for the safety of the public
     * To speed up access to the necessary resources
     * To open the blocked sites in places such as schools, offices, and so forth.
     * To pass security control / parental
     • To protect the identity is online now

Proxy servers that continue without modification request and the answer is usually called a gateway or tunneling proxy. A proxy server can be placed on client computers, or at several locations between the client and the target servers.

Reverse proxy is a proxy that is used as a front-end, with a view to controlling and protecting access to a server or a private network. Usually the reverse proxy to do things like load-balancing, authentication, decryption, or caching.