How to check listening ports using netstat?

To view the listening ports using the netstat command, follow the steps below:

1. Open the Command Prompt (Windows) or Terminal (Linux/Mac).
2. Type in the following command:
3. Display a list of listening TCP and UDP ports and their corresponding process IDs.
4. This will list all the listening TCP and UDP ports.
5. The “-t” parameter indicates to only display TCP ports.
6. The -u option indicates to only display UDP ports.
7. The “-l” option indicates to only display the listening status.
8. The option “-n” shows the port number in numeric form, instead of the service name.
9. Pressing enter will execute the command and display all the listening ports along with their related information, such as local address, external address (if applicable), protocol type, and so on.

Note: On Linux and Mac, you may need to use the sudo command to run the netstat command with administrative privileges in order to view the listening ports of all processes.