This project configures an Ubuntu virtual machine as a basic firewall. It demonstrates how to block specific websites and IP ranges using UFW, iptables, and DNS overrides. The goal was to apply ...

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.

Last month, I kicked off a series of articles on transparent firewalls, beginning with a brief essay on why firewalls are still relevant in an age of Web applications and tunneled traffic. I also ...

We list the best Linux firewalls, to make it simple and easy to set up and manage a more advanced firewall for your Linux PC or IT network. A dedicated firewall is the first line of defense when it ...

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, ...

A firewall is a critical security feature on modern operating systems, acting as a barrier between your computer and potential threats from the network. On Ubuntu and other Linux distributions, the ...

FireWall-1 is also the most powerful commercial firewall solution now available for the Linux platform. FireWall-1 isn’t the only well-known solution to move into the Linux camp. AXENT Raptor Firewall ...

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PureVPN confirmed that it is working to patch these issues by mid-October, while ensuring that no other apps are vulnerable. Here's what you can do about it right now.