There might be a situation where you need to change MySQL default port 3306 to something else to hide the port number or your XAMPP does not start ...

If you are not able to start MySQL service in Xampp, conflicting ports might be the culprit. Some other applications might be using the default MySQL port 3306. You can find which application is using ...

Do you have problems accessing a MySQL or MariaDB Linux server on your local network? If so, you may need to change a few settings and files.