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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. 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 ...

  4. Tunneling protocol - Wikipedia

    en.wikipedia.org/wiki/Tunneling_protocol

    t. e. In computer networks, a tunneling protocol is a communication protocol which allows for the movement of data from one network to another. It can, for example, allow private network communications to be sent across a public network (such as the Internet ), or for one network protocol to be carried over an incompatible network, through a ...

  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. IPsec - Wikipedia

    en.wikipedia.org/wiki/IPsec

    t. e. In computing, Internet Protocol Security ( IPsec) is a secure network protocol suite that authenticates and encrypts packets of data to provide secure encrypted communication between two computers over an Internet Protocol network. It is used in virtual private networks (VPNs).

  7. Split tunneling - Wikipedia

    en.wikipedia.org/wiki/Split_tunneling

    Split tunneling is a computer networking concept which allows a user to access dissimilar security domains like a public network (e.g., the Internet) and a local area network or wide area network at the same time, using the same or different network connections. This connection state is usually facilitated through the simultaneous use of a LAN ...

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