We see a lot of newbies coming in and asking about firewalls.

They mostly want to know two things.

What is it/what does it do?

Which one should I use?

SecurityFocus has written an article about it and think it would be good for newbies to check out.

This might even be a good article to pass around to your coworkers so they can help protect their home computers from attack.

Home User Security: Personal Firewalls