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N220 User’s Guide
37
CHAPTER 3
Wireless LANs
3.1 Overview
This section provides background information on wireless Local Area Networks.
3.1.1 What You Can Do in This Section
• Connect securely to an AP using many of the strongest and most common
encryption protocols. See Section 3.3 on page 39 for details.
• Connect securely either to an AP or computer-to-computer using WPS. See
Section 3.4 on page 41 for details.
3.1.2 What You Need to Know
The following terms and concepts may help as you read through this section.
Server
When two or more devices are connected digitally to form a network, the one that
distributes data to the other devices is known as the “server”. A RADIUS (Remote
Authentication Dial-In User Service) is a kind of server that manages logins and
logout, among other things, for the network to which it is connected.
Client
When two or more devices are connected digitally to form a network, the one that
contacts and obtains data from a server is known as the “client”. Each client is
designed to work with one or more specific kinds of servers, and each server
requires a specific kind of client. Wireless adapters are clients that connect to a
network server through an AP.
Authentication
Authentication is the process of confirming a client’s or user’s digital identity when
they connect to a network. Turning off authentication means disabling all security
protocols and opening your network to anyone with the means to connect to it.