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 ...

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 ...

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 ...

You’d think a mature security device like a firewall by now is just a matter of set it and forget it. But not so: Even the slightest tweak to one firewall rule can wreak havoc on another firewall, and ...

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 ...