It is unclear here what does back over refer to . Same is for RHDS-11 document . Reported by: rhn-support-musoni https://access.redhat.com/documentation/en-us/red_hat_directory_server/12/html/configuring_directory_databases/chaining-ldap-controls_configuring-directory-databases#annotations:4eaf620f-e515-47ef-8a94-22563985a687