As in, I rooted my Droid X and installed wireless tethering. I got my girlfriend to try to access the internet with her laptop via my Droid X's connection and she was able to do it. My question is, how can I dictate who is and who isn't allowed to use my connection. Say I'm tethering wirelessly and someone I don't know wants to use the connection as well. How can I disable them from doing so while still being capable myself?