> 4. you didn't mention which distro you are using
This would be good to know since some distros are using iptables 1.8.x which has two different backends that are in play. Which distro are you using and what is the output of `iptables --version`
> 4. you didn't mention which distro you are using
This would be good to know since some distros are using iptables 1.8.x which has two different backends that are in play. Which distro are you using and what is the output of `iptables --version`