While the IP address directs data to the correct server, the port number directs that data to the correct application or service running on that server. These well-known ports are reserved for specific protocols to avoid conflict and confusion.
Port Forwarding for Local Website Testing and Development
Defining Network Ports and Their Function At its core, a port is a 16-bit number used to identify specific processes or services on a machine. Port Forwarding and Local Development The concept of website ports extends beyond the public internet into local environments.
You should explicitly allow traffic for ports 80 and 443 to keep your site publicly accessible while restricting access to management ports like SSH (22) to specific IP addresses. It works in conjunction with an IP address to form a socket, which is the foundation of network communication.
Seamlessly Port Forwarding Your Website for Local Testing and Development
During development, you often run a local server on your machine, typically accessible at localhost:8000 or a similar address. A port acts as a communication endpoint on a server, allowing different services to operate simultaneously on a single IP address.
More About Website ports
Looking at Website ports from another angle can help expand the discussion and give readers a second clear paragraph under the same section.
More perspective on Website ports can make the topic easier to follow by connecting earlier points with a few simple takeaways.