What is Networking port
Networking port is a end-point of communication over the internet. For example, when we send or receive the data over the internet, then there is a one end-point and this end-point is called port. Why we need of it? When the computer is doing peer-to-peer(Point-to-point) communication means, one computer is communicating with individual one computer then there is no need of any type of port, but when computer is start to connected with many computers, many networks then there is a requirement of different port and every port specify with a unique number for example 80 is of HTTP, 21 is of FTP and so on. There are 65535 port are available and each port is provide different services for example when for browsing it uses other port, for email uses other and for file uploading uses other port and so on.