These ebuilds come from http://dev.gentoo.org/~falco/.
If you have some problems, go to the official site first.
iptables : Linux kernel (2.4+) firewall, NAT and packet mangling tools ( http://www.iptables.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a falco
For Paludis use this rsync : rsync://gentoo.zugaina.org/falco-portage
If you have a problem : ycarus(-at-)zugaina.org