I read about these on the way home from a trip yesterday on the flight, sites that break into your computer to see if your firewalls are working or not

http://scan.sygatetech.com/
http://www.auditmypc.com/freescan/prefcan.asp
http://www.qualys.com/research/rnd/rv10/

(you need your IP address for the last one, you can get that at whatismyipaddress.com or the first two tests will tell you)


(the full story is at http://www.pcworld.com/howto/article...,111124,00.asp )