OpenLDAP 2.0.x
SASL

Simple Authentication Security Layer

SASLデータベースの設定
  # apt-get install libsasl-bin libsasl-modules

  # cat > /usr/lib/sasl/slapd.conf
  pwcheck_method: sasldb
  ^D
  # saslpasswd -c -a slapd -u hoge.example.com foo
  Password:
  Again (for verification):

  # sasldblistusers 
   user: foo realm: hoge.example.com mech: DIGEST-MD5
   user: foo realm: hoge.example.com mech: PLAIN
   user: foo realm: hoge.example.com mech: CRAM-MD5
    :