Save_changes.sh

#!/bin/bash
# (c)J~Net 2021
# jnet.sytes.net
#
# https://jnet.forumotion.com/t1761-country-blocking-by-ip
#
#
# There is no option in iptables which will make your rules permanent. But you can use iptables-save and iptables-restore to fulfill your task.
#
sudo iptables-save
bash menu.sh