Build your own network firewall using a discarded old machine

Do you have an old discarded computer lying around which you are wondering how you could put to good use? I do. And I am sure most of you who bought your first computer around 7 years back would too. Well, now you can put it to use as a network firewall – even if your network contains only one other machine . Will O’Brien has written a very good article giving step-by-step instructions to