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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-14146) KerberosAuthenticationHandler should authenticate with SPN in AP-REQ
Date Fri, 03 Mar 2017 22:17:45 GMT
Daryn Sharp created HADOOP-14146:
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             Summary: KerberosAuthenticationHandler should authenticate with SPN in AP-REQ
                 Key: HADOOP-14146
                 URL: https://issues.apache.org/jira/browse/HADOOP-14146
             Project: Hadoop Common
          Issue Type: Bug
          Components: security
    Affects Versions: 2.5.0
            Reporter: Daryn Sharp
            Assignee: Daryn Sharp


Many attempts (HADOOP-10158, HADOOP-11628, HADOOP-13565) have tried to add multiple SPN host
and/or realm support to spnego authentication.  The basic problem is the server tries to guess
and/or brute force what SPN the client used.  The server should just decode the SPN from the
AP-REQ.



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