Firewalls are an essential part of network security, yet Gartner says 95% of all firewall breaches are caused by misconfiguration. In my work I come across many firewall configuration mistakes, most ...

Configuring Windows Firewall settings is one of the most fundamental security precautions. It is a built-in security feature that comes with all versions of Windows, acting as a barrier between your ...

As network security infrastructure grows larger and more complex, the likelihood of omissions and misconfigurations that can lead to data breaches and other serious problems is a growing concern.

Firewalls are essential for restricting and controlling Internet traffic sent between the web and your company's network. You can further enhance the security of your LAN by having a strict firewall ...

Having a properly configured firewall on your computer is an important part of staying safe online, but having one on your ...

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 ...

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 ...

Mac OS X has long included a basic firewall, but with the release of Mac OS X 10.5—also known as Leopard—this fundamental security technology is moving in a new and innovative direction. As with any ...

Stories of compromised servers and data theft fill today's news. It isn't difficult for someone who has read an informative blog post to access a system via a misconfigured service, take advantage of ...

Windows 11 users are experiencing issues with a Firewall configuration error when using Windows Firewall with Advanced Security, following the June 26 KB5060829 ...