RabbitMQ documentation: https://rabbitmq.docs.pivotal.io/36/rabbit-web-docs/access-control.html#loopback-users The documentation explains the issue in section: “guest” user can only connect via localhost In the file /etc/rabbitmq.config add the following, including the dot at the end. [{rabbit, [{loopback_users, []}]}]. Restart rabbitmq. $ sudo service rabbitmq-server restart