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, ...

You can select a default zone from the list and even set the default zone. Out of the box, the default zone is FedoraWorkstation, which rejects unsolicited incoming packets from ports 1 to 1024 ...

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.

In today's open source roundup: Six GUI firewall management applications in Linux. Plus: Linux Lite 2.2 released, and the story of how Kali Linux was created The command line is a powerful tool for ...

In this series of articles, I'm showing how to build a transparent firewall using OpenWrt (Linux) running on an inexpensive Linksys WRT54GL wireless router. In Part I, I explained why firewalls are ...

From containers and VPNs to VLANs and firewalls, Linux networking has become the backbone of modern home labs and servers. But no matter how advanced the setup, the same core commands keep showing up ...

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 ...