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https://issues.apache.org/jira/browse/MAPREDUCE-5938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14560669#comment-14560669
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Naganarasimha G R commented on MAPREDUCE-5938:
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Hi [~vinodkv] & [~messner],
In terms of security, many tools will report this as a threat too, but the fix
which is given here, not sure will it have impact on existing systems (break in
compatibility), so i suggest based on a new config we can to determine whether
to bind on all the interfaces or the IP bound to the hostname (as per the
patch).
Similar issue exists with AM's tracking url too. Based on your feed back can
rework on the patch and include required changes for AM too.
> Shuffle port in nodemanager is binding to all IPs
> --------------------------------------------------
>
> Key: MAPREDUCE-5938
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5938
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Ashutosh Jindal
> Assignee: Ashutosh Jindal
> Attachments: issue.jpg, mapreduce-5938.patch, result_after_fix.jpg
>
>
> nodemanager port mapreduce.shuffle.port is listening to all ip
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