Improve security with wireless
If you do it right, your wireless network will provide more control, better security protection and more flexibility than the typical wired network does.
Start with authentication services. By virtue of 802.1x, the new wireless network forces users to identify themselves before they can get to any network resources. Most wired networks have no knowledge of the user, leaving this detail up to operating systems and applications. In the new WLAN model, a systemwide RADIUS server can provide a central point of user management and check devices against a list of permissible MAC addresses. If you don't want the device in the network, it doesn't attach.
By David Willis at Network Computing.
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