What’s a VPN tunnel?

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A virtual private network (VPN) makes it possible to connect two or more computers on the internet and make them work as if they are on the same local network.

An early application for VPN was to allow employees to connect to the company’s network wherever they were. But nowadays, vpn solutions can be used for significantly more things than that, for example, the technology can be used to make it more secure to connect to public wifi services.