Fina is a simple, robust bash script that loads iptables rules from a rules directory. As such, it isn’t concerned with creating rules for you; it just helps you load them in a robust way, going back to older or safe rules when things go wrong.
You can download it from the following link: https://packetstormsecurity.com/files/download/98487/fina-0.2.4.tar.gz
Source: https://packetstormsecurity.com/files/98487/Fina-Iptables-Script-0.2.4.html

