Configuration for Portainer CE/BE Settings > Authentication > LDAP > Custom LDAP configuration LDAP Server localhost:3890 or ip-address:3890 Anonymous mode off Reader DN uid=admin,ou=people,dc=example,dc=com Password xxx Password is the ENV you set at LLDAP_LDAP_USER_PASS= or lldap_config.toml User search configurations Base DN ou=people,dc=example,dc=com Username attribute uid Filter All available user(s) (objectClass=person) Using this filter will list all user registered in LLDAP All user(s) from specific group (&(objectClass=person)(memberof=cn=lldap_portainer,ou=groups,dc=example,dc=com)) Using this filter will only list user that included in lldap_portainer group. Admin should manually configure groups and add a user to it. lldap_portainer only sample. Group search configurations Group Base DN ou=groups,dc=example,dc=com Group Membership Attribute cn Group Filter is optional