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https://issues.apache.org/jira/browse/HADOOP-14083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15880960#comment-15880960
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John Zhuge commented on HADOOP-14083:
-------------------------------------

Sure [~xiaochen], I will move KMS_SILENT enhancements to another JIRA, they 
somewhat improve operational security by hiding some senstive info from console.

> KMS should support old SSL clients
> ----------------------------------
>
>                 Key: HADOOP-14083
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14083
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: kms
>    Affects Versions: 2.8.0, 2.7.4, 2.6.6
>            Reporter: John Zhuge
>            Assignee: John Zhuge
>            Priority: Minor
>         Attachments: HADOOP-14083.branch-2.001.patch, 
> HADOOP-14083.branch-2.002.patch
>
>
> HADOOP-13812 upgraded Tomcat to 6.0.48 which filters weak ciphers. Old SSL 
> clients such as curl stop working. The symptom is {{NSS error -12286}} when 
> running {{curl -v}}.
> Instead of forcing the SSL clients to upgrade, we can configure Tomcat to 
> explicitly allow enough weak ciphers so that old SSL clients can work.



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