There was another discussion on this point, where a few others were added:

0.0.0.0 static.ak.fbcdn.net 0.0.0.0 www.static.ak.fbcdn.net 0.0.0.0 login.facebook.com 0.0.0.0 www.login.facebook.com 0.0.0.0 fbcdn.com 0.0.0.0 www.fbcdn.com 0.0.0.0 static.ak.connect.facebook.com 0.0.0.0 www.static.ak.connect.facebook.com