Github user alopresto commented on the issue:
https://github.com/apache/nifi/pull/1491
Standalone mode still interacts with a CA (something has to sign the issued
node certificates), it's just that the CA runs ephemerally on the same system
as the command-line invocation as opposed to on another instance in the
client/server model.
I agree that a new Jira is sufficient to capture this feature because it is
more *likely* someone deploying lots of nodes behind a load balancer would be
using the client/server model.
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