Then, on top of that, the applications and services on each device are also assigned a port number.

For example, your computer will have a private IP address like 192.168.0.2 or 10.0.0.2 To do this, your router assigns each device in your LAN its own local IP address. Your routerвЂ™s job is to transmit an internet signal to all your devices over a local area network (LAN). In order to understand port forwarding, it helps to understand a little about how routers work first. By setting a specific port for your devices, you are telling your router to always accept requests for those ports and forward data to a deviceвЂ™s private IP address. Port forwarding is a way of making your router use a specific port to communicate with certain devices.

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What is port forward network utilities