Firebred iptables Script is a firewall designed if you want to share your internet connection between a lan of computers, all you need is a 2.4.x kernel, bash and iptables.
Here are some key features of "Firebred iptables Script":
· Easily specify allowed inbound ports for UDP and TCP
· Allow in traffic for pptp (microsoft vpn)
· Set up a transparent proxy along with squid or wwwoffle
Simply set it up like your other init scripts, it does however need to be run after your dns starts and is connected to the outside world
· 2.4.x kernel