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.

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 ...

Simone Margaritelli, the VP of Research at Zimperium, has created a Linux port of Little Snitch, a wildly popular macOS firewall application. Named OpenSnitch, the Linux port works on the same ...

It's no doubt that one of the leaders for network equipment is Cisco Systems. Newer Cisco devices are starting to use what Cisco calls its "="" operating="" system"="">, which is a customized flavor ...

How to enable the firewall in Ubuntu? If you are interesting in protecting your online activities while working on Ubuntu, you may want to consider activating its built-in firewall feature.