Linux firewalls can be very complicated. With the help of a GUI, firewall configuration is easier. These GUIs are easy to install and free to use. A firewall is often the heart and soul of desktop ...

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 ...

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 ...

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 ...

Dear readers, I appear to have set a Paranoid Penguin record—six months spent on one article series. (It has consisted of five installments, with a one-month break between the second and third pieces.

WHEN LOOKING for an effective, inexpensive firewall solution, Linux firewalls do not often enter into the picture unless someone involved in the security planning process is a Linux guru. With the ...

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, ...

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