Getting Error SQLSTATE[HY000] [2002] Connection refused on NAS Synology

Question

I am making an under construction page which is hosted on my Synology NAS.

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Answer 1

I had the same problem.

I ended up solving it by enabling TCP/IP connection with Port: 3307. You may do that by opening the MariaDB 10 options in the Synology Package Center.

Then instead of: mysqli_connect("127.0.0.1", "root", "", DB_NAME);

I appended a the port number to it as the 5th parameter: mysqli_connect("127.0.0.1", "root", "", DB_NAME, 3307);