In this second installment, begun with ”The Evolution of the Firewall,” we will take a look at the direction security is headed. From its humble beginnings, the firewall has evolved through several stages of development. Its latest incarnation, built on the legacy of its first two generations, implements the strategic pillars of Segmentation, Access Control, and Real-time analytics/action to realize intent-based network security.
The Three Generations of the Firewall
With the advantage of looking backwards in time, it’s now clear that we have seen two major generations of Firewalls, and that we’re about to embark on a major evolutionary leap toward a third.