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https://issues.apache.org/jira/browse/HADOOP-16000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16719611#comment-16719611
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Akira Ajisaka commented on HADOOP-16000:
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I prefer documenting that the parameter is limited impact rather than fixing
HADOOP-15169 before the patch. As I commented in HADOOP-15169, I don't want to
add a setting to accept TLS 1.1 or older protocols to create a security hole
for now.
> Remove TLSv1 and SSLv2Hello from the default value of
> hadoop.ssl.enabled.protocols
> ----------------------------------------------------------------------------------
>
> Key: HADOOP-16000
> URL: https://issues.apache.org/jira/browse/HADOOP-16000
> Project: Hadoop Common
> Issue Type: Improvement
> Components: security
> Reporter: Akira Ajisaka
> Assignee: Gabor Bota
> Priority: Major
> Attachments: HADOOP-16000.001.patch
>
>
> {code:title=core-default.xml}
> public static final String SSL_ENABLED_PROTOCOLS_DEFAULT =
> "TLSv1,SSLv2Hello,TLSv1.1,TLSv1.2";
> {code}
> TLSv1 and SSLv2Hello are considered to be vulnerable. Let's remove these by
> default.
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