Or if using a :doc:`YAML format configuration file </reference/configuration-options>`, specify the following settings in the file:
security:
authorization: enabled
setParameter:
saslauthdPath: /<some>/<path>/saslauthd/mux
authenticationMechanisms: PLAIN
Or, if using the :v2.4:`older configuration file format </reference/configuration-options>`:
auth=true
setParameter=saslauthdPath=/<some>/<path>/saslauthd/mux
setParameter=authenticationMechanisms=PLAIN