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https://issues.apache.org/jira/browse/FLINK-9312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16469744#comment-16469744
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Eron Wright commented on FLINK-9312:
-------------------------------------
I believe that this enhancement can be considered as part of
[FLIP-26|https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=80453255],
with the goal of hardening Flink's intra-cluster communication.
[~StephanEwen] do you agree?
> Perform mutual authentication during SSL handshakes
> ---------------------------------------------------
>
> Key: FLINK-9312
> URL: https://issues.apache.org/jira/browse/FLINK-9312
> Project: Flink
> Issue Type: New Feature
> Components: Security
> Reporter: Stephan Ewen
> Priority: Major
> Fix For: 1.6.0
>
>
> Currently, the Flink processes encrypted connections via SSL:
> - Data exchange TM - TM
> - RPC JM - TM
> - Blob Service JM - TM
> However, the server side always accepts any client to build up the
> connection, meaning the connections are not strongly authenticated.
> Activating SSL mutual authentication solves that - only processes that have
> the same certificate can connect.
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