Mitigating Firewall Threats and Exploits

Firewalls are one of the most important components of a complete security solution. However, firewalls are not without issues, threats, and concerns. Exploits will cause a firewall to fail. Remember that a firewall is software that sometimes includes dedicated hardware and a host OS. Simply calling it a firewall does not eliminate this concern.

Ultimately, firewalls are software code written by human beings. In either a host firewall or an appliance firewall, the logic and controlling mechanisms are software. Software code is designed and written by people. And whenever people are involved, mistakes or oversights are possible. Any software product is prone to flaws and errors in programming.

Coding ...

Get Network Security, Firewalls, and VPNs, 3rd Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.