Building a Desktop Firewall (73 tags)
By now, many internet users know that they need a firewall to protect their computers while they're online. Knowing that doesn't convey the knowledge of how to create and maintain a firewall. A nice GUI firewall builder called fwbuilder makes it possible to set up a working firewall in ten minutes--on Linux, *BSD, and Mac OS X. Dru Lavigne shows how it works on FreeBSD.
Exploring the Mac OS X Firewall (33 tags)
Like so many tools built in to Mac OS X, the firewall just works. But what is really going on inside it? Peter Hickman explains why the firewall works so well, and then takes you inside and shows you how to fiddle with things. In the end, he returns you safely to the default settings.
Using IPFW Rulesets with BSD Firewalls (8 tags)
The IPFW firewall comes with FreeBSD, but its documentation isn't entirely clear. Dennis Olvany demonstrates how to create and maintain IPFW rulesets to keep you secure but also to prevent network outages during updates.
Feather Linux for Firewalls (4 tags)
Bootable LiveCDs have made the lives of Linux dabblers easier. They're also suitable for making your life more pleasant while on the go. KIVILCIM Hindistan shows how to use Feather Linux to share a firewalled internet connection in a few easy steps.
Monitoring IPFW Logs (4 tags)
Dru Lavigne shows us how to monitor ipfw logs and more importantly how to deal with what we find.