The is used to perform all processing related to SASL PLAIN authentication. ds-cfg-plain-sasl-mechanism-handler ds-cfg-sasl-mechanism-handler org.opends.server.extensions.PlainSASLMechanismHandler Specifies the name of the identity mapper that should be used to match client authentication and authorization IDs to user entries. The referenced identity mapper must be enabled when the is enabled. ds-cfg-identity-mapper