what is enable port forwarding.
In other words ports allow the computer to send the correct data to the correct process. Conventionally, port 80 is used for HTTP traffic, port 21 for FTP and so on. You can find a list of various ports used by various services over here. Now that we know what ports are, let us come to port forwarding. Port forwarding is basically forwarding a network port from one node to another. It is also called port mapping or tunneling. It allows an outside user to access a certain port through a NAT enabled router. Without port forwarding you wonât be visible to a lot of users.