PORTS="
#all server ports
"

IPS="
#all bungee ips.
"
iptables -F
iptables -X
iptables -N bungee

for ip in $IPS
do
iptables -A bungee --src $ip -j ACCEPT
done
iptables -A bungee -j DROP

for p in $PORTS
do
  iptables -I INPUT -m tcp -p tcp --dport $p -j bungee
done