now friends i want to tell you starrting concept of ethical hacking scope of ethical hacking right now there are 32000 ethical hackers only. ethical hacker in the world need of them is in lakhs now i want to tell you about ip address ip addresses are two types private public Now i want to tell you about private ip address When you send a letter from your house to a friend, you have to know the address to send it to so that the postman knows which street and which house to take it to. Computer networks such as the Internet are no different, except instead of sending your Web traffic to an address like 1145 Main Street, your computer's "location" (the destination for your emails and Google inquiries) is known by its IP (Internet protocol) address. In theory, your individual computer has to have its own unique IP address so that it will only receive the information that is meant for you. You don't want your emails and the responses to your Google