Roll your own firewalls for fun and profit

For most of the 1990s and well into the 2000s, the general consensus was that you went out and bought a firewall appliance from Cisco or whomever, and you let it rule the network edge. For more than a decade within that span, the Cisco PIX was the firewall of choice, steadily controlling network traffic flows in organizations large and small.Scarlett Johansson Katie Couric Maria Sharapova Valentino Rossi Halle Berry James Patterson Leonardo DiCaprio Kiefer Sutherland Jim Carrey Cameron Diaz