Github user StephanEwen commented on the issue: https://github.com/apache/flink/pull/2425 Thanks Eron, that makes a lot of sense. My first thought would be: Let's add SSL mutual authentication. That seems desirable anyways and we would not need another mechanism (shared secret). Do you know if newer versions of Akka support this mutual auth? We may be able to upgrade if we drop Java 7, or we could see if there is a lightweight way to patch this into flakka.
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