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https://issues.apache.org/jira/browse/FLINK-9312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16471093#comment-16471093
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ASF GitHub Bot commented on FLINK-9312:
---------------------------------------
Github user GJL commented on the issue:
https://github.com/apache/flink/pull/5966
This is relevant
http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/Discuss-FLIP-26-SSL-Mutual-Authentication-td22188.html
> 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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