#Install noip client :
mkdir /tmp/noip
cd /tmp/noip
wget https://dmej8g5cpdyqd.cloudfront.net/downloads/noip-duc_3.0.0.tar.gz
tar xf noip-duc_3.0.0.tar.gz
cd noip-duc_3.0.0/binaries
deb2tgz noip-duc_3.0.0_amd64.deb
su -c "installpkg noip-duc_3.0.0_amd64.txz ; ldconfig" root

#Removing noipclient :
su -c "removepkg noip-duc_3.0.0_amd64.txz ; ldconfig" root
Contraseña:
Removing package: noip-duc_3.0.0_amd64
Removing files:
  --> Deleting /lib/systemd/system/noip-duc.service
  --> Deleting /usr/bin/noip-duc
  --> Deleting /usr/share/doc/noip-duc/README.md
  --> Deleting /usr/share/doc/noip-duc/copyright
  --> Deleting empty directory /usr/share/doc/noip-duc/

iptables -I INPUT -s [DISIRED_IP] -p tcp -m tcp --dport [DESIRED_PORT] -j ACCEPT
iptables -I INPUT -s [DISIRED_IP] -p udp -m udp --dport [DESIRED_PORT] -j ACCEPT

echo 'on more clear example :'
iptables -I INPUT -s inukazenoip.redirectme.net -p tcp -m tcp --dport 22 -j ACCEPT

iptables -I INPUT -s inukazenoip.redirectme.net -p udp -m udp --dport 22 -j ACCEPT

#!/usr/bin/env bash
# Author    :	Inukaze ( Venezuela )
# WebSite   :	http://https://goo.gl/ij6WqW
# E-Mail    :	bloginukaze@gmail.com
# License   :	GPL 2

function noip-duc()
{
noipduc=$(whereis -B "/usr/sbin" "/usr/local/sbin" "/sbin" "/usr/bin" "/usr/local/bin" "/bin" -b noip-duc | grep -i "noip-duc" | cut -d " " -f02 | sed 's/[/]noip-duc//')

noipduc=$(echo "$noipduc/noip-duc")

while getopts u:p: flag
do
    case "${flag}" in
        u) username=${OPTARG};;
        p) password=${OPTARG};;
    esac
done
echo "Username: $username";
echo "Password: $password";
}

start() {
	if ! /sbin/route -n | grep "^0.0.0.0" 1> /dev/null ; then
		echo "Gateway not defined yet, please init the network services."
		exit 0;
	fi
	echo "Starting no-ip client daemon: "
	"$noipduc/noip-duc" --username "$username" --password "$password"
}

stop() {
		echo "Stopping no-ip client daemon: ";
		for i in `"$noipduc" 2>&1 | grep Process | awk '{print $2}' | tr -d ','`
		do
			killall -9 "$noipduc"
		done
	else
		echo "no-ip client daemon is not running" && exit 0
	fi
}

status() {
	if "$noip-duc" 2>&1 | grep Process 1>/dev/null ; then
		echo "no-ip client daemon is running"
	else
		echo "no-ip client daemon is not runnig"
	fi
}

restart() {
	stop
	sleep 1
	start
}

case "$1" in
  start)
  	start
	;;
  stop)
  	stop
	;;
  status)
	status
	;;
  restart)
  	restart
	;;
  *)
	echo "Usage: $0 {start|stop|status|restart}"
	exit 1
esac