Virtual private network

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Work

Domain

Arts and letters

Knowledge cost

5

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What Wikipedia says

A virtual private network (VPN) is an overlay network that uses network virtualization to extend a private network across a public network, such as the Internet, via the use of encryption and tunneling protocols. In a VPN, a tunneling protocol is used to transfer network messages from one network host to another.

Excerpt from the Wikipedia article “Virtual private network”, under the CC BY-SA 4.0 license. Read the article on Wikipedia