I successed! I successed to connect with params: login:cn=admin,dc=wanadoo,dc=fr password: my password adding into slapd.conf: rootdn "cn=admin,dc=wanadoo,dc=fr" rootpw The password returned by the command line (dpkg-reconfigure slapd) And now it's ok I can write into my LDAP! Thank you very much for your help! -- Patrick Gelin