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 ...

Your firewall is the first line of defence against security threats; but simply adding firewall devices to your network doesn't ensure your network is secure. You need to regularly analyse your ...

Configuring a firewall using OPNsense can lead to a world of pain if this happens to be your first foray into custom ...

Netsh, short for Network Shell, is a command-line utility designed to assist IT administrators in configuring and viewing various network-related functions on Windows 11/10. This tool can also be ...

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 ...

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 ...

Mick Bauer introduced Firewall Builder to Linux Journal readers in 2003 with his article “Using Firewall Builder”. A lot of time has passed since 2003, the project has evolved, the appearance of the ...

An Application firewall is a firewall in charge of the calls of an application or service. Based on a preset configuration policy, it allows or blocks out communications from an application. If you’re ...

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 ...

SonicWall is urging its firewall customers to reset their passwords after confirming it suffering a security incident which may have exposed their data. In a security announcement, SonicWall outlined ...