Data sent across the public Internet is generally not protected from prying eyes, but you can make your Internet communications secure and extend your private network with a virtual private network (VPN) connection. A VPN connection uses encryption and tunneling to transfer data securely on the Internet to a remote access VPN server on your workplace network. Using a VPN helps you save money by using the public Internet instead of making long—distance phone calls to connect securely with your private network.
To make a VPN connection, you must be already connected to the Internet. You can make a VPN connection by first dialing an Internet service provider (ISP) or by using an existing connection to the Internet.
|If you connect to the Internet using a dial–up connection, you first connect to your ISP and then you make a VPN connection to the private network's VPN server. After the VPN connection is established, you can access the private network.|
|If you are already connected to the Internet—on a local area network, a cable modem, or a digital subscriber line (DSL)—you can make a VPN connection directly to the VPN server.|
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