Every application and service that needs network connectivity to function requires specific endpoints to connect and communicate with other services. There are 65,536 such endpoints in any Linux system called "ports". In this article, we will discuss different methods to open a port in Linux.
How to open a port on Linux | Tutorial for VPS
Before you can open any ports for some of the best Linux applications to use, you need to check the port status to avoid any kind of conflict. To list all open ports on the system, use the netstat command in Linux:
In the command above, here is what each parameter means:
When you run this command in the terminal, you will see the following output:
