Laurence Andrews

A Brief Overview of Firewalls

Back in 1993, while I was busy being a toddler a chap at CheckPoint came up with something called ‘Stateful Packet Inspection’. Sounds terribly boring, but it isn’t. Stateful Firewalls are the unsung security guards of the internet, here’s how they work: A long, long time ago - all we had to protect our networks were packet filters. Packet filte... Read more