Like many Linux distributions, Windows, and macOS, Ubuntu has a firewall. This security feature can prevent connections from unwanted sources on your system. Sometimes, though, you might want to ...

One of the exciting new features coming up in the impending release of the brand spanking new Ubuntu 8.04 is the uncomplicated firewall known as ufw. This system will allow straightforward ...

The ufw (uncomplicated firewall) represents a serious simplification to iptables and, in the years that it’s been available, has become the default firewall on systems such as Ubuntu and Debian. And, ...

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.

It has been discovered the Docker doesn't always honor UFW rules. Jack Wallen demonstrates and shows how to configure Docker so that it will. If you use Docker on Linux, chances are your system ...