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Enabling a wireless security standard

Actually enabling a security standard (assuming you don't already run one) is simple. I'll provide a few sample screenshots from a Linksys WRT150 router (802.11n Draft 2.0 compliant); the procedure should be similar on any other product. Drop into the "Wireless Security" of the WRT150 and open the selection tab, and this is what you see:



We're going to ignore WEP, since you really shouldn't be using it, and focus on the various WPA options. WPA Personal (aka, WPA-PSK) and WPA2-Personal are configured more-or-less identically. Select the option, choose your encryption method (TKIP or AES), and enter your chosen encryption key. There should be no need to change the default key renewal time (3,600 seconds) but if you need to do so, you can do that, as well. From this point, all you need to do is configure your various wireless adapters with the same information, and you should be up and running.

Linksys' options for switching to RADIUS mode are a bit misleading. WPA Enterprise and WPA2 Enterprise are the options you'd choose for a RADIUS server using one of those two protocols. The actual RADIUS option refers to a RADIUS server combined with WEP, and probably isn't used much at this point.

Configuring WPA/WPA2 Enterprise is also simple: Choose your encryption standard (TKIP or AES), and punch in the IP address and port number for the RADIUS server that handles authentication, as well as your shared secret. Once you've finished these steps, the router itself should be ready—make the appropriate configuration changes for your wireless adapters, and you're good to go.

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