Once it gets to your router, the router itself needs to know where to send the request.Īt this point, if your router hasn’t been commanded to forward any requests from port 3389, it won’t know what to do, and will deny the request. That request then travels through the internet, and arrives at your router. To access your computer, your friend will open up a remote desktop program, then send the request to your IP address, using a specific port number. This means they can use your computer from wherever their computer is situated, just as if they were sitting in front of your terminal. Port forwarding can be best described using the following example:įor whatever reason, let’s say you have a friend in another city who wants to control your computer. It allows networks to use just one IP address for all external communications while using multiple ports and IP addresses internally. Port forwarding is the most effective means for keeping unwanted traffic off networks. Port forwarding can “hide” both services and servers on a network, but most importantly adds an extra layer of security to networks. It can protect both clients and servers from hacks and help improve your system – it is more commonly used to protect public IP addresses. Port forwarding is the best way to preserve an IP address. You are forwarding that port to a different computer, which is docking the data from the original computer as it’s sent. This is essentially a process that intercepts data on its way to a particular computer’s IP address, and then redirects it toward an entirely different location. This could be your next door neighbor, or someone living halfway across the world. When you use port forwarding, you are redirecting the information and data between a computer on a local network, and a computer on an outside network. Okay, so What Does it Mean to Forward a Port? Port numbers and the user’s own IP address create the “ who does what” information retained by every Internet Service Provider. It’s typical for identical system services or functions to use the same port numbers on receiving servers. Ports are numbered for consistency and programming purposes. It allows information and data to flow from a program on your computer, or to your computer from either the Internet or a separate computer on the same network. What is a Port Exactly?Ī port receives information traveling from one place to another.
Here, we have outlined exactly what port forwarding is, what it does, how it works, and how it can benefit you.
It’s not only used by expert programmers but is something we can all use to better protect our source computer.Īs long as exactly what it can offer is clearly understood, port forwarding is something we can all benefit from. Best Parental Control for iPhone & iPadĪlthough it’s quite a familiar term, not everyone fully understands what port forwarding means, entails, or how it works.IPVanish VPN vs Private Internet Access.
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