Tag Archives: Application Firewall

Firewalls 101: Hardware, Software & Web Application Firewalls – Part 3

Web Applications in Real Life
Web Applications in Real Life

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).

The primary articles cited for this series are from the Michigan Cyber Initiative (“Hardware Firewall vs. Software Firewall”); Open Web Application Security Project (“Best Practices: Use of Web Application Firewalls”); PCWorld (“What You Should
Continue reading Firewalls 101: Hardware, Software & Web Application Firewalls – Part 3

Firewalls 101: Hardware, Software & Web Application Firewalls

 

SVG version of Image:DMZ network diagram 2 fir...
DMZ network diagram 2 firewalls

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).

For this three-part series, we will look at information from several different sources. The primary ones will be “Hardware Firewall vs. Software Firewall,” from the Michigan Cyber Initiative; “Best Practices: Use of Web Application Firewalls,” from the Open Web Application Security Project (OWASP); and “What You Should

Know About Firewalls,” by Michael Desmond for PCWorld. This first part will focus on firewalls generally. The second part will target the differences between hardware and software firewalls; and web application firewalls will be explored in-depth in the third installment.
Continue reading Firewalls 101: Hardware, Software & Web Application Firewalls