Step 3 : Detecting the static IP assigned to your organization.
you need to find out the static IP assigned to your organization which is allocated by the ISP Goto www.WhatIsMyIP.com Here the site will display your IP address. Please note down your IP address which we will be using again in the further steps.
Step 4 : Scanning open ports for your external IP address. Entering IP address whose port has to be scanned.