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https://issues.apache.org/jira/browse/HADOOP-12668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15153901#comment-15153901
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Vijay Singh commented on HADOOP-12668:
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One more thing, patch 10 assumes that Unlimited JCE policy files will be
installed and JCE provider will suppport AES 256 on test platform. However,
that may not always be a prudent assumption. Consequently , I am posting the
new patch with AES128 bit ciphers for atleast one enabled cipher and mutually
exclusive cipher test. This patch is patch version 11. Please review patch 11
and provide feedback if any.
> Modify HDFS embeded jetty server logic in HttpServer2.java to exclude weak
> Ciphers through ssl-server.conf
> ----------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-12668
> URL: https://issues.apache.org/jira/browse/HADOOP-12668
> Project: Hadoop Common
> Issue Type: Improvement
> Components: security
> Affects Versions: 2.7.1
> Reporter: Vijay Singh
> Assignee: Vijay Singh
> Priority: Critical
> Labels: common, ha, hadoop, hdfs, security
> Attachments: Hadoop-12668.006.patch, Hadoop-12668.007.patch,
> Hadoop-12668.008.patch, Hadoop-12668.009.patch, Hadoop-12668.010.patch,
> test.log
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> Currently Embeded jetty Server used across all hadoop services is configured
> through ssl-server.xml file from their respective configuration section.
> However, the SSL/TLS protocol being used for this jetty servers can be
> downgraded to weak cipher suites. This code changes aims to add following
> functionality:
> 1) Add logic in hadoop common (HttpServer2.java and associated interfaces) to
> spawn jetty servers with ability to exclude weak cipher suites. I propose we
> make this though ssl-server.xml and hence each service can choose to disable
> specific ciphers.
> 2) Modify DFSUtil.java used by HDFS code to supply new parameter
> ssl.server.exclude.cipher.list for hadoop-common code, so it can exclude the
> ciphers supplied through this key.
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