Okay everyone… As we are learning in this series, it turns out what our grandparents have been telling us since we were born (first conveyed to us via crudely hand-drawn pictures and a primal, baby-rattle version of Morse code) is accurate. You really can never get enough information about firewalls. For that reason, we are discussing them at length: first firewalls in general; then distinctions between hardware and software firewalls; and finally, in this post, Web application firewalls (WAFs).
Firewalls: We all know they are vital for Internet security, but what are their basic purposes and flavors? This series serves as a basic beginner’s guide to firewalls of the three major types: hardware, software, and web application (WAFs).