Using your MacBook as wireless access point

I am using a MBP and I don't want to setup a permanent wireless access point at home for some reason, so the easiest way for me to create a home wireless network occasionally is to using my MBP to share my wired connection with wifi.

To do it, first go to System Preferences, choose Sharing:


Then turn on the Internet Sharing.  Share your connection from:  "Ethernet", and To computers using "Wifi"



Your wireless icon on the top menu bar should change to:


You can optionally config security for your wireless network, however only WEP is supported  :(


My current OS Version when I write this post:  OS X Lion 10.7.3