Nat: Hacking the Router
Have you ever wondered how all your devices in your home or office are able to connect to the internet just by using a simple router from your internet service provider? If you have then there are two questions that you should ask yourself; consider starting a career with network communications and how does that one router give internet to all those devices. The answer is simple while also a bit complicated and will leave you being impressed for the cunning intelligence that your router actually has. You know how you have a IP address right and how your identified on the internet by it? Well your router sends out your IP address to the server of the website that your connected to and right back to the router right? Well guess what, your sneaky router has been pulling a magic trick the whole time to the equation.
NAT is an acronym for Network Address Translation that was created around the early days of the internet before It was even called the internet during the late 1990’s. To become familiar with the term “IP address” in order to fully understand the article, an IP address or an Internet Protocol address is a numerical sequence that assigned to different devices in a home network by a router that is connected to the internet. The IP address is accessible throughout the internet that is assigned to your home router. But here’s the real wizardry, instead of your devices having the IP addresses that you’re so used to like 126.96.36.199, they instead get a private IP address assigned by the router that the internet can’t use! The whole process works like this; your router is the gateway between you and the internet and without it you would have a very hard time to even connect at all. Your device first sends out a data packet that connects to the router in a home network, the data packet is transferred to the router and goes through the internet, then the packet goes into one of the servers of the website you’re trying to connect to. The process isn’t over however because now the server process’s a reply to the sender IP address but the problem is that the sender IP address is the private IP address.
Keep reading our blogs for more on IP address lingo and how to get around it.