
Many file-sharing services limit the number of downloads from one IP address per unit of time. To access a site that limits the number of connections or requests per unit of time.Anonymous, elite and distorting proxy servers can be used for anonymous web surfing, downloading files, chatting on forums, e-mail, and instant messaging services without disclosing your IP address. Today, proxy servers are mainly used to hide or change the IP address when accessing a website. The following illustration schematically shows direct data exchange processes and data exchange using a proxy server between two computers on the network.

Thus, the proxy server acts as an intermediary between the client (for example, your computer) and the service (for example, some Internet site) that the client requests access to.

Proxy-server is a service (software) that runs on a network and allows one computer to make requests to another on its own behalf.
