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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11628) SPNEGO auth does not work with CNAMEs in JDK8
Date Tue, 24 Feb 2015 20:27:04 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14335392#comment-14335392
] 

Daryn Sharp commented on HADOOP-11628:
--------------------------------------

Pretty much all browsers and cmdline tools like curl default to canonicalization.  I don't
have access to Windows hosts but pretty sure it does the same.

> SPNEGO auth does not work with CNAMEs in JDK8
> ---------------------------------------------
>
>                 Key: HADOOP-11628
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11628
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 2.6.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Critical
>              Labels: jdk8
>         Attachments: HADOOP-11628.patch
>
>
> Pre-JDK8, GSSName auto-canonicalized the hostname when constructing the principal for
SPNEGO.  JDK8 no longer does this which breaks the use of user-friendly CNAMEs for services.



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