#!/bin/sh

f_ban () {
echo "Enter IP Address to Ban: "
read address
sudo iptables -I INPUT -s $address -j DROP
sudo sh -c "iptables-save > /etc/iptables.rules"
echo "IP Ban Complete."
echo "Kick Player to finish Process"
sleep 1
}

f_show () {
sudo iptables -L INPUT -n --line-numbers
echo "Delete Record? (Y/N)"
read choice
if [ $choice = "y" -o $choice = "Y" ]; then
echo "Enter Record to Drop"
read addrdrop
sudo iptables -D INPUT $addrdrop
sudo sh -c "iptables-save > /etc/iptables.rules"
fi
}

while : # Loop forever
do
cat << !

 ========= IP TABLES BAN IP MENU ==========

1. Ban IP
2. Show / Modify Banned IPS
3. Quit

!

echo -n " Your choice? : "
read choice

case $choice in
1) f_ban ;;
2) f_show ;;
3) exit ;;
*) echo "\"$choice\" is not valid "; sleep 2 ;;
esac
done