“Fwbuilder is a unique graphical firewall tool that allows the
user to create objects and then drag and drop those objects into
firewalls, to build a powerful security system for a single PC or a
network of PCs.“Fwbuilder supports a wide range of firewalls (Cisco ASA/PIX,
Linux iptables, FreeBSD’s ipfilter, OpenBSD’s pf, and more), so its
rules can be deployed on multiple platforms. Let’s take a look at
using Fwbuilder on Linux, which might just become a life-long
affair with a powerful security system.”