iptables

#! /bin/sh
# /etc/init.d/iptables: load and save the iptables
IPTABLES_CONF=/etc/default/iptables.conf
IPTABLES_BAK=/etc/default/iptables.bak
SAVE_CMD=/sbin/iptables-save
LOAD_CMD=/sbin/iptables-restore
check_config() {
  if [ ! -r $IPTABLES_CONF ]; then
    echo "Cannot find saved iptable!"
		exit 1
	fi
}

case "$1" in
	start|load)
		check_config
		$0 flush
		echo -n "Loading iptables..."
		$LOAD_CMD < $IPTABLES_CONF
		echo "done"
	;; 

	stop|flush)
		echo -n "Stopping iptables..."
		iptables -F
		echo "done"
	;;

	save)
		echo -n "Saving iptables..."
		cp $IPTABLES_CONF $IPTABLES_BAK
		$SAVE_CMD > $IPTABLES_CONF
		echo "done"
	;;

	*)
		echo "Usage: /etc/init.d/iptables {start|stop|load|save}"
		exit 1
esac
exit 0

#save it and then

cd /etc/rc2.d
ln -s ../init.d/iptables S15iptables
chmod 755 /etc/init.d/iptables
service iptables save
sudo yum -y install rpm-build gcc make
sudo wget https://gist.github.com/iliuweiming/5481317/raw/75a534f010cf9f7806336719fdf9418fb3040e14/pptpd.sh
sudo sh pptpd.sh