Setting up Samba as an Active Directory Domain Controller - SambaWiki
https://wiki.samba.org/index.php/Setting_up_Samba_as_an_Active_Directory_Domain_Controller
Domain controller LDAP server signing requirements (Windows 10) | Microsoft Docs
https://docs.microsoft.com/en-us/windows/security/threat-protection/security-policy-settings/domain-controller-ldap-server-signing-requirements
Enable Secure LDAP on Windows Server 2008/2012 DCs
https://www.petri.com/enable-secure-ldap-windows-server-2008-2012-dc
Creating Custom Secure LDAP Certificates for Domain Controllers with Auto Renewal – Practical Windows Security
https://blogs.technet.microsoft.com/russellt/2016/06/03/custom-ldap-certs/
OpenLDAP Software 2.4 Administrator's Guide: A Quick-Start Guide
https://www.openldap.org/doc/admin24/quickstart.html
OpenLDAP Software 2.4 Administrator's Guide: Database Creation and Maintenance Tools
https://www.openldap.org/doc/admin24/dbtools.html