olemus
autentimine, mille puhul parool saadetakse avatekstina,
näiteks LDAP-serverile
=
authentication allowing clients to send passwords to the server as cleartext, without hashing or encryption

näiteid
http://mysql.babo.ist/#/en/cleartext-pluggable-authentication.html

http://support.ricoh.com/bb_v1oi/pub_e/oi_view/0001064/0001064143/view/security/int/0035.htm