Linux is highly secure, but you should still have a firewall. You should know if your ISP's hardware (gateway) uses a firewall. One of the easiest Linux firewalls is UFW and its GUI sidekick, GUFW.

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 ...

The Internet is a scary place. Criminals on the Internet have the ability to hide behind their computers, or even other peoples computers, while they attempt to break into your computer to steal ...

iptables is the user-space tool for configuring firewall rules in the Linux kernel. It is actually a part of the larger netfilter framework. Perhaps because iptables is the most visible part of the ...

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 ...

A firewall is every bit as critical to security as an anti-virus program. Firewalls stop malware from spreading to a network and defend against hackers attempting to infiltrate a targeted system.

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 ...

The humble firewall has come a long way since the packet-filtering days of yore. The first firewalls were developed by the Digital Equipment Corporation (DEC) back in the late 1980s. These early ...

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 ...