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 - [LDAP Authentication Best Practices](http://web.archive.org/web/20130801091446/http://www.ldapguru.info/ldap/authentication-best-practices.html) - retrieved from web.archive.org
 - [Hardening OpenLDAP on Linux with AppArmor and systemd](http://www.openldap.org/conf/odd-tuebingen-2018/Michael1.pdf) - slides
 - [zytrax LDAP for Rocket Scientists - LDAP Security](http://www.zytrax.com/books/ldap/ch15/)
+- [How To Encrypt OpenLDAP Connections Using STARTTLS](https://www.digitalocean.com/community/tutorials/how-to-encrypt-openldap-connections-using-starttls)
 
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