Mike Chapple is a teaching professor of IT, analytics and operations at the University of Notre Dame. Network firewalls are one of the mainstay security controls that organizations rely on to protect ...

Securing your home network is more critical than ever, as the Internet is a scary place full of terror, and automated tools have made the job of cybercriminals even easier. Setting up a powerful ...

Have you ever wondered how to strike the perfect balance between network security and ease of management? For many, configuring firewalls can feel like navigating a maze of technical jargon and ...

Two research studies have shown there is a direct correlation between firewall rule set complexity and the likelihood of configuration errors. One study shows most firewalls are badly configured and ...

To properly protect your network, you need to know who and what has access to your network, and where all sensitive information is located. To better control access, start by limiting the devices that ...

When I first started using Linux, back in '97, working with the built-in firewall was not something just anyone could do. In fact, it was quite complicated. Starting around 1998, if you want to manage ...

What is phoning home on Linux? With the Little Snitch firewall, applications can now also be monitored outside of macOS.

So far, in my previous articles on Nmap, we've looked at how the scanner can be used to map and audit a network, as well as track down noncompliant devices and services. But hackers can also use Nmap ...

As a foundational network defense, firewalls continue to be enhanced with new features, so many that some important ones get overlooked. Firewalls continuously evolve to remain a staple of network ...