Hardening Wireless LAN Connections Part 1 - Restricting Wireless Mode

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Many WAPs support operating in 802.11a, 802.11b, 802.11g, or any combination thereof. If you do not need to support multiple wireless access modes, you should disable any unnecessary ones. For example, if you only need to support 802.11b in your environment, you should disable 802.11a and 802.11g. This will ensure that only individuals using the wireless mode you have defined have any chance of connecting to your environment.

The Cisco Aironet 1200 supports using multiple wireless modes through the implementation of multiple physical radio modules.

You can configure the wireless mode on the Linksys WAP54G at the Setup | Basic Setup screen, shown next. Simply select the access mode you want to use, or select Mixed to support both. Click Save Settings when you are finished.

You can configure the wireless mode on the Dell TrueMobile 2300 at the Advanced Settings | Advanced Wireless screen, shown next. Simply select the wireless mode from the drop-down selection and click Submit.

 

This is from Hardening Network Infrastructure, by Wesely Noonan (McGraw-Hill/Osborne, ISBN 0072255021). Check it out at your favorite bookstore today. Buy this book now.

Next: Using MAC Address Filtering >>
 

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