In this first of a two-part series, we will examine how, in spite of the evolution of the Firewall through a number of shapes, functions, and roles, it remains the security foundation for ...

Performance and Optimization: This is a prime function of all these tools. Firewall performance degrades because excessive rules eat up CPU cycles, and critical access rules are situated too far ...

Firewalls play a critical role in this ... to reassess the appliance sprawl at your sites and consolidate multiple functions—security, SD-WAN and, if need be, a switch into a single device.

With this in mind, Linux gurus also should be curious about how firewalls function and how to build a firewall of his or her own. Explaining exactly these two things is the goal of this article. Here, ...