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https://issues.apache.org/jira/browse/AMBARI-18836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15702608#comment-15702608
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Robert Levas edited comment on AMBARI-18836 at 11/28/16 5:41 PM:
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[~Wancy]..
I commited the update to the trunk:
{noformat}
commit cad0130d9d4a64a6bda1992758c5c7c05e06b39e
Author: Shi Wang <cntj...@gmail.com>
Date: Mon Nov 28 12:39:05 2016 -0500
{noformat}
was (Author: rlevas):
[~Wancy]..
I commit the update to the trunk:
{noformat}
commit cad0130d9d4a64a6bda1992758c5c7c05e06b39e
Author: Shi Wang <cntj...@gmail.com>
Date: Mon Nov 28 12:39:05 2016 -0500
{noformat}
> Remove group readable from hdfs headless keytab
> -----------------------------------------------
>
> Key: AMBARI-18836
> URL: https://issues.apache.org/jira/browse/AMBARI-18836
> Project: Ambari
> Issue Type: Bug
> Affects Versions: trunk
> Reporter: Shi Wang
> Assignee: Shi Wang
> Fix For: trunk
>
> Attachments:
> 0001-AMBARI-18836-Remove-group-readable-from-hdfs-headles.patch,
> AMBARI-18836-test_failure.patch
>
>
> The Smoke and “Headless” Service users are used by Ambari to perform service
> “smoke” checks and run alert health checks.
> The permission for hdfs.headless.keytab is 440. But it will cause security
> concern to allow other service user in hadoop group to kinit hdfs headless
> principal using hdfs.headless.keytab. In this way, other service user could
> "pretend" to be hdfs user and be granted hdfs user's authorities.
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