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https://issues.apache.org/jira/browse/FLINK-3929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15435356#comment-15435356
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ASF GitHub Bot commented on FLINK-3929:
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Github user vijikarthi commented on the issue:
https://github.com/apache/flink/pull/2275
>
It seems like the privileged port issues can be circumvented by setting
conf.getBoolean("dfs.datanode.require.secure.ports", false)?
It is not supported yet <a
href="https://github.com/apache/hadoop/blob/branch-2.3.0/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/SecureDataNodeStarter.java#L106";>ref</a>.
The trunk <a
href="https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/SecureDataNodeStarter.java#L115";>
code </a> also have similar logic.
> Support for Kerberos Authentication with Keytab Credential
> ----------------------------------------------------------
>
> Key: FLINK-3929
> URL: https://issues.apache.org/jira/browse/FLINK-3929
> Project: Flink
> Issue Type: New Feature
> Reporter: Eron Wright
> Assignee: Vijay Srinivasaraghavan
> Labels: kerberos, security
> Original Estimate: 672h
> Remaining Estimate: 672h
>
> _This issue is part of a series of improvements detailed in the [Secure Data
> Access|https://docs.google.com/document/d/1-GQB6uVOyoaXGwtqwqLV8BHDxWiMO2WnVzBoJ8oPaAs/edit?usp=sharing]
> design doc._
> Add support for a keytab credential to be associated with the Flink cluster,
> to facilitate:
> - Kerberos-authenticated data access for connectors
> - Kerberos-authenticated ZooKeeper access
> Support both the standalone and YARN deployment modes.
>
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