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.

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 ...

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.

Many enterprise networks require redundant HA (High Availability) infrastructure for key systems like network firewalls. This article demonstrates how you can use a combination of open-source packages ...

Hi all.<BR><BR>I used to setup my firewalls with iptables and a pretty arcane config file that I got from a much more expert friend that I only understood ~85%. I'm wondering if there's an Ubuntu ...

I'd like to condense my firewall computer (Astaro) and server (Win2k3) onto the more power efficient server which can easily run both. However, I do not know the security implications and/or network ...