ClosedBSD – A FreeBSD and Firewall on a Floppy

ClosedBSD is a firewall and network address translation utility which boots off of a single floppy disk, and requires no hard drive. ClosedBSD is based off of the FreeBSD kernel, and uses ipfw as it’s native ruleset management system, and natd as it’s network address translation utility. ClosedBSD also features an advanced ncurses based configuration manager (screenshots) which allows you to seamlessly configure your firewall ruleset using protocol filters, port forwarding, and network address translation mechanisms through a simple to use menu interface. DHCP is disabled for this beta release.

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