UFW Doesn't work!

[luums]

Good Day,

I have a Problem. Iam us FriendlyDesktop 18.04 for RK3399 on my T4.

I install UFW Firewall and get this Message:
root@NanoPC-T4:~# ufw allow 80/tcp
ERROR: initcaps
[Errno 2] modprobe: FATAL: Module ip_tables not found in directory /lib/modules/4.4.143
iptables v1.6.1: can't initialize iptables table `filter': Table does not exist (do you need to insmod?)
Perhaps iptables or your kernel needs to be upgraded.

Fail2ban shows the same error.

Is there any solution to fix That?
This is a Security risk.

Thanks and greetings,
luums

[TomW]

I have the same problem running Lubuntu 16.04. Ufw and iptables does work on the two Armbian builds available. Does anyone know how to get ufw and iptables working with the Friendly builds?