I use the same pattern for my iptables banner. It's essentially a manual firewall for when I disable ufw if it's being too aggressive: https://gitlab.com/mtek

I use the same pattern for my iptables banner. It's essentially a manual firewall for when I disable ufw if it's being too aggressive: https://gitlab.com/mtekman/iptables-autobanner https://gitlab.com/mtekman/iptables-autobanner