In the previous section of this chapter, I showed you how to control access to your LAN, or private network. You should want to understand the mechanisms for controlling this access for security reasons. In addition, you might need to open access to your private network in some cases—for example, to make some of its services available over the Internet.
Be careful not to filter out the computer you are using to administer your access point. If you filter out your computer by mistake, you will be locked out of your network and must relog on to the access point's administrative utility using another device with a MAC filter allowed onto your network to undo your mistake.
This section explains a different kind of ...