CompTIA® Security+™: Study Guide, Fifth Edition

Securing the Wireless Environment

The wireless network is not and never will be secure. Use wireless only when absolutely necessary. If you must deploy a wireless network, here are some tips to make some improvements to wireless security:

• Change the default SSID.
• Disable SSID broadcasts.
• Disable DHCP or use reservations.
• Use MAC filtering.
• Use IP filtering.
• Use the strongest security available on the wireless access point.
• Change the static security keys on a two- to four-week basis.
• When new wireless protection schemes become available (and reasonably priced), consider migrating to them.
• Limit the user accounts that can use wireless connectivity.
• Use a preauthentication system, such as RADIUS.
• Use remote access filters against client type, ...