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  2. Virtual private network - Wikipedia

    en.wikipedia.org/wiki/Virtual_private_network

    Virtual private network (VPN) is a network architecture for virtually extending a private network (i.e. any computer network which is not the public Internet) across one or multiple other networks which are either untrusted (as they are not controlled by the entity aiming to implement the VPN) or need to be isolated (thus making the lower network invisible or not directly usable).

  3. VPN service - Wikipedia

    en.wikipedia.org/wiki/VPN_service

    A virtual private network (VPN) service provides a proxy server to help users bypass Internet censorship such as geo-blocking and users who want to protect their communications against data profiling or MitM attacks on hostile networks. A wide variety of entities provide VPN services for several purposes. But depending on the provider and the ...

  4. ExpressVPN - Wikipedia

    en.wikipedia.org/wiki/ExpressVPN

    ExpressVPN. ExpressVPN is a prominent virtual private network (VPN) service designed to enhance users' online privacy and security. It provides encryption for web traffic and masks users' IP addresses to protect their personal information and browsing activities from potential surveillance and cyber threats. [1]

  5. Overview of NordVPN - AOL Help

    help.aol.com/articles/overview-of-nordvpn

    A VPN, or virtual private network, is a service that protects your internet connection and privacy online. By creating an encrypted tunnel for your data, a VPN protects your online identity by hiding your system’s IP address. Work, shop, browse or use social media platforms safely knowing NordVPN is helping keep your data protected.

  6. Computer network - Wikipedia

    en.wikipedia.org/wiki/Computer_network

    A virtual private network (VPN) is an overlay network in which some of the links between nodes are carried by open connections or virtual circuits in some larger network (e.g., the Internet) instead of by physical wires. The data link layer protocols of the virtual network are said to be tunneled through the larger network.

  7. Layer 2 Tunneling Protocol - Wikipedia

    en.wikipedia.org/wiki/Layer_2_Tunneling_Protocol

    Layer 2 Tunneling Protocol. In computer networking, Layer 2 Tunneling Protocol (L2TP) is a tunneling protocol used to support virtual private networks (VPNs) or as part of the delivery of services by ISPs. It uses encryption ('hiding') only for its own control messages (using an optional pre-shared secret), and does not provide any encryption ...

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