Linux.com: Securing Your Workstation with Firestarter

“Firestarter is a GPL-licensed graphical firewall configuration
program for iptables, the powerful firewall included in Linux
kernels 2.4 and 2.6. Firestarter supports network address
translation for sharing an Internet connection among multiple
computers, and port forwarding for redirecting traffic to an
internal workstation. Firestarter’s clean and easy to use graphical
user interface takes the time out of setting up a custom
firewall.

“The Firestarter project provides binary packages for Fedora
Core 2 and 3, SUSE 9.2, and Debian; you can use RPM or apt for
installation. A source tarball in available for installation on
other distributions. GNOME 2.6 is required. If you are running KDE,
your distribution’s package manager will resolve any dependencies
and install any required GNOME libraries…”

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