Links for OpenLDAP as AD-Proxy, with Attribute hiding and allow only specific paths

https://doc.owncloud.org/server/10.0/admin_manual/configuration/ldap/ldap_proxy_cache_server_setup.html

http://www.drdobbs.com/the-openldap-proxy-server/199101839

http://www.openldap.org/doc/admin23/proxycache.html

https://www.openldap.org/lists/openldap-technical/201007/msg00074.html

https://www.openldap.org/doc/admin24/overlays.html

https://jpmens.net/pages/openldap-back-ldap-proxy-with-support-for-thunderbird-and-usercertificates/

https://uit.stanford.edu/service/directory/aclexamples