What is Port Forwarding
The term Port Forwarding is referred to the technique of forwarding a network port from one particular machine to another machine. This technique is usually applied when the receiving machine is behind a network router. By doing this, it enables users from outside the LAN (local area network) to reach a private user in the LAN itself. Now every machine on the internet has at least one IP address which is used to identify that particular machine or device. Every IP address is divided into many ports. The ports are there for the machines to communicate with each other, for example (computer A is sending some data to computer B), and therefore forwarding the port will also enhance the speed of the transmission between the two machines.
Now let’s take a look at how the machines are connected to the internet when behind a router. The router is first connected to the internet which we will call it external IP. The router will then have its own internal IP address. (every machine/device will have at least one IP to identify them self). The router will then assign an individual IP address to every machine that is connected to the router. The...
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