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https://issues.apache.org/jira/browse/HADOOP-10670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14380807#comment-14380807
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Robert Kanter commented on HADOOP-10670:
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I took a look at {{AuthenticationFilterInitializer}} and you're right; that
appears to be how it worked before. When working on HADOOP-10868 and
HADOOP-10791, I didn't realize that. The motivation for that work had been
Oozie HA, and we didn't have the code in {{AuthenticationFilterInitializer}},
so it had previously been reading a secret string directly from the
configuration (which I know is bad). It's good that we have that sorted out
now though :)
> Allow AuthenticationFilters to load secret from signature secret files
> ----------------------------------------------------------------------
>
> Key: HADOOP-10670
> URL: https://issues.apache.org/jira/browse/HADOOP-10670
> Project: Hadoop Common
> Issue Type: Improvement
> Components: security
> Reporter: Kai Zheng
> Assignee: Kai Zheng
> Priority: Minor
> Fix For: 2.7.0
>
> Attachments: HADOOP-10670-v4.patch, HADOOP-10670-v5.patch,
> HADOOP-10670-v6.patch, hadoop-10670-v2.patch, hadoop-10670-v3.patch,
> hadoop-10670.patch
>
>
> In Hadoop web console, by using AuthenticationFilterInitializer, it's allowed
> to configure AuthenticationFilter for the required signature secret by
> specifying signature.secret.file property. This improvement would also allow
> this when AuthenticationFilterInitializer isn't used in situations like
> webhdfs.
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