https://www.hackthis.co.uk/forum/hacking-security/tutorials-articles/604-ldap-injection-tutorial

How to test for LDAP vulnerabilities.

https://www.owasp.org/index.php/Testing_for_LDAP_Injection_(OTG-INPVAL-006)

https://www.meetup.com/Ipswich-WordPress-Meetup/events/246893230/?_cookie-check=Q1kCtU5qnJEO928C