Apache NiFi and NiFi Registry Administration
By Hand
https://docs.cloudera.com/HDPDocuments/HDF3/HDF-3.4.1.1/nifi-security/content/access-policies.html
https://nifi.apache.org/docs/nifi-docs/html/administration-guide.html#user_authentication
https://mintopsblog.com/2017/11/01/apache-nifi-configuration/
https://pierrevillard.com/2017/01/24/integration-of-nifi-with-ldap/comment-page-1/
https://community.cloudera.com/t5/Community-Articles/Integrating-NiFi-Registry-with-LDAP/ta-p/247794
https://vanducng.dev/blog/supplements/2019/11/20/setup-ldap-apache-nifi/
https://community.cloudera.com/t5/Community-Articles/Configuring-NiFi-to-use-LDAPS/ta-p/249325
You will need an initial admin:
Or you could just run Cloudera Data Platform in the Public Cloud utilizing Apache NiFi in Data Hub Clusters where security is single sign on and preconfigured for you.