How to disable cleartext authentication mechanisms in the AMQP configuration.

Solutions:

To disable PLAIN authentication method can be done in two methods

1.By removing cyrus-sasl-plain package because for each mechanism corresponding package is required.

#yum remove cyrus-sasl-plain

#/etc/init.d/qpidd restart

Or

2. SASL is a framework that supports a variety of authentication methods like CRAM-MD5, DIGEST-MD5, or GSSAPI. Edit qpidd file and append this mech_list parameter and provide authentication method as below.

#vi etc/sasl2/qpidd.conf
mech_list: DIGEST-MD5

#/etc/init.d/qpidd restart