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 ...

Do note that you have to launch Windows PowerShell as an administrator, otherwise, the commands will not execute and you will receive an error in PowerShell. Let’s ...

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 ...

Now you're ready for the next step: configuring the firewall rule-set, or policy file. A rule-set specifies what services to let through your firewall, and which ones to keep out. A rule defines the ...

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 ...

These days, companies find themselves inside a world where old-style network borders barely exist. Because of cloud tools, remote teams, outside connections, ...

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 ...

Most organizations are still struggling to keep tabs on their firewall operations and changes in the network that require writing new firewall rules, a new study released today reveals. Around 85 ...

If you're ignoring or have disabled Windows Firewall, you might be missing out on some good, basic protections that are easy to set up and maintain. Windows Firewall has been enabled by default since ...

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 ...