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Chapter 17. Networking on the Run > Working with Virtual Private Networks

Working with Virtual Private Networks

Another possibility for remote connections to the company network involves the use of a Virtual Private Network (VPN). A VPN is a secure, dedicated, point-to-point connection over a public IP internetwork, such as the Internet. Using a VPN means that you don’t have to configure the RAS server with a modem pool or other WAN connection type. The RAS server just needs to be connected to the Internet, and the remote client will connect to the company network by tunneling through the Internet.

A VPN connection has both a client and server side (as do remote access dial-up connections). The tunnel server provides the server side of the connection. Most network operating systems provide support for VPNs in their remote access software. The VPN client is referred to as the tunnel client and will need remote access software configured to connect to a VPN tunnel server. The actual connection between the server and the client is referred to as the tunnel.


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