Proxy servers are a type of server application that functions as a gateway between an end user and an internet resource. Through a proxy server, an end user is able to control and monitor their web traffic for a wide variety of purposes, including privacy, security, and caching. For example, you can use a proxy server to make web requests from a different IP address than your own. You can also use a proxy server to research how the web is served differently from one jurisdiction to the next, or avoid some methods of surveillance or web traffic throttling.
Squid is a stable, popular, open-source HTTP proxy.
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