The technical side of what a firewall does To get to grips with how a firewall works, you need to understand how data travels between internet networks. Basically, data moves across the internet ...

Firewall policies and rules are the engine that make firewalls go. Most security professionals are terrified of removing older policies because they don’t know when they were put in place or why.

Physical firewalls are still quite popular, particularly for businesses without a lot of different locations and without a lot of remote workers. They even have some advantages over FWaaS, like ...

Host-based firewalls play a vital role in securing individual endpoints. This level of protection is critical as business networks increasingly accommodate remote workers and cloud applications.

While you'll be doing most of your home lab experimentation in VLANs, there is one specific VLAN to set up that never gets touched past the initial setup stages. That's a dedicated Management VLAN, ...

Today’s firewall needs to be built on network virtualization (NV). Trying to secure every interconnection point in a vast network could be an exercise in whack-a-mole—and a costly one.

Overview Firewalls and VPNs offer basic protection but are no longer enough against modern cyber threats.Misconfigurations ...