Out of the box, Linux is a highly secure operating system, but does that mean you can get by without a bit of help? Let's find out. I’ve been using Linux for nearly 30 years. Over those years, I’ve ...

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.

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.

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 ...

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, ...

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 ...

I'm doing a huge paper on firewall & security i have to present at the end of this week to get my graduate diploma ) I'm working like 18 hours a day, i'm not gettin' much sleep. I'm almost done, but I ...

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 ...