emqx4.3/plugins/emqttd_auth_mysql/README.md

Overview

Authentication with user table of MySQL database.

Demo User Table

CREATE TABLE `mqtt_users` (
  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
  `username` varchar(60) DEFAULT NULL,
  `password` varchar(60) DEFAULT NULL,
  `salt` varchar(20) DEFAULT NULL,
  `created` datetime DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `mqtt_users_username` (`username`)
) ENGINE=MyISAM AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;

Plugin config