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 ...

Many enterprise networks require redundant HA (High Availability) infrastructure for key systems like network firewalls. This article demonstrates how you can use a combination of open-source packages ...

Do you like fiddling with computers and fancy the idea of taking on a more advanced project? Then I have a suggestion: Build your own router/firewall. With a router running a more advanced operating ...

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 ...

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 ...

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 ...

What Does a Firewall Do To Protect My Home Network Your email has been sent Understanding what firewalls do (and don't do) takes just a few minutes. Learn what a firewall does to keep intruders out in ...

What Is a Host Based Firewall and Is it Secure Enough? Your email has been sent Most devices come with a host based firewall, but is it enough? Learn about this vital ...