Sharing Your Network with the World
If you use your wireless network to provide public access to the Internet to your neighborhood or campus, or if you want to allow customers and other visitors to connect to your wireless net, you won't want to use encryption or other security tools to limit access to known users, but you should still give some thought to security. Just because you want to give people a direct connection to the Internet, that doesn't mean you want to let them poke around in the other computers connected to your network, so it's necessary to isolate the wireless access points from the rest of the network.
If all of the local nodes on your LAN are connected through wires, the best approach is to place a firewall between the wireless ...
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