This content is part of the Essential Guide: Enterprise firewall protection: Where it stands, where it's headed
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How a next-generation firewall prevents application-layer attacks

Next-generation firewalls can block common yet dangerous SQL-injection and buffer-overflow attacks. Learn how an NGFW stops application-layer attacks.

This tip is part of's Security School lesson, Next-generation firewalls: Breaking through the hype. For more information, visit the lesson page; for additional learning resources, visit the Security School course catalog page.

Next-generation firewalls are "next generation" for a lot of reasons, including that they typically are identity aware, highly scalable and "application aware" -- and it's this last point, application awareness, that presents IT security teams with a grand new set of opportunities and challenges.  

This was last published in January 2013

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