Chapter 15. VIRTUAL PRIVATE NETWORKS

VIRTUAL PRIVATE NETWORKS

The security tools in the Wi-Fi specification are not good enough to protect data transmitted through a wireless network. What's the fix? A virtual private network (VPN) can add another effective form of security to data that moves from a wireless network client to a host that can be located anywhere with a network connection.

A VPN uses a data tunnel to connect two points on a network through an encrypted channel. The end points can be a single network client and a network server, a pair of client computers or other devices, or the gateways to a pair of LANs. Data that passes through a public network such as ...

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