How To Secure WLANs: A Visual Overview

, March 26, 2013 Secure wireless networks don't just happen--users and IT pros have to make it happen. But what goes into making a wireless network secure? Here's a look some essential steps for locking down wireless communications, including advice for road warriors, small business owners and WLAN administrators running large networks.
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Use RADIUS for Enterprise WLAN Clients

A typical business WLAN uses 802.1x authentication and WPA2 encryption. A range of configuration choices are available under 802.1x, but they all use common RADIUS underpinnings. Wireless client devices are supplicants, access points or controllers are authenticators, and a RADIUS authentication server is either populated with user credentials or queries Active Directory (or LDAP) for user verification.


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