What’s the difference between a proxy and a firewall?

While both proxies and firewalls work as kinds of intermediates between users and web resources, they also have a lot of differences. The main difference between them lies in the purposes of these programs. Firewalls’ one and only purpose are just to block or restrict access to certain pages, acting literally like a wall, for example, because of firewall Chinese can not access foreign sites. At the same time, proxies have a lot of tasks, but the main of them is to mediate connections between a computer and a web, acting as a middle man.

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