Dru Lavigne covers a quick firewall for your FreeBSD system. "Everyone knows that you should be behind a firewall whenever you go online. However, not everyone knows that it's easy to create a personal firewall for a FreeBSD (or PC-BSD or DesktopBSD) system. This article shows how even a casual home user can get a firewall up and running in about ten minutes. Like all of the BSDs, FreeBSD has always been security conscious. It offers several built-in firewalls to choose from: ipfw, ipf, and pf. I use pf because it is built into all of the BSDs, including OpenBSD, NetBSD, and DragonFly BSD."

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