In computer networks, a proxy server is a computer system thing that doing something as an channel for http request from customers searching resources from other servers or computers. A customers connects to the proxy server, requesting some service, such as a file, web page, resource available from a dissimilar server and the proxy server evaluates the application request as a way to simplify and control its complexity.Meanwhile, most of the proxy servers are web proxies, granting access to web content on the World Wide Web and most of tem giving our anonymity. A caching proxy server accelerates http requests by receiving web pages or files saved from a previous request made by the another client. Caching proxies keep copies of frequently requested resources, allowing big internet providers to reduce their upstream bandwidth usage, while significantly increasing performance. Some canada proxy servers can hide your IP address, also they can provide secure things, for example: to avoid you from some watching ads networks with annoying ads. Also, with you can bypass some youtube, facebook, video and many other social network limitations, unlock youtube content for your country, bypassing it.