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https://issues.apache.org/jira/browse/HADOOP-14417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16011239#comment-16011239
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John Zhuge commented on HADOOP-14417:
-------------------------------------
HADOOP-14083 is committed to branch-2 only, thus not in any release. This JIRA
will be committed to branch-2 only as well, so it is not an incompatible change.
> Update cipher list for KMS
> --------------------------
>
> Key: HADOOP-14417
> URL: https://issues.apache.org/jira/browse/HADOOP-14417
> Project: Hadoop Common
> Issue Type: Improvement
> Components: kms, security
> Affects Versions: 2.9.0
> Reporter: John Zhuge
> Assignee: John Zhuge
> Priority: Minor
> Attachments: HADOOP-14417.branch-2.001.patch
>
>
> In Oracle Linux 6.8 configurations, the curl command cannot connect to
> certain CDH services that run on Apache Tomcat when the cluster has been
> configured for TLS/SSL. Specifically, HttpFS, KMS, Oozie, and Solr services
> reject connection attempts because the default cipher configuration uses weak
> temporary server keys (based on Diffie-Hellman key exchange protocol).
> https://www.cloudera.com/documentation/enterprise/release-notes/topics/cdh_rn_os_ki.html#tls_weak_ciphers_rejected_by_oracle_linux_6
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