Hallo > > I use OpenLDAP 2.4.19 and I try to build > > an own gender attribute. > With OpenLDAP you don't need an extra syntax. You could use slapo-constraint > for restricting attribute values. See the man-page slapo-constraint(5). This works, thank you. Can I specify this constraint in the schema or can I only specify it in the slapd.conf or cn=config ? Ciao Peter SchÃtt