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From "Kai Sasaki (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-8613) Add option to list up allowed hosts that can do any operation to NameNode.
Date Wed, 17 Jun 2015 00:45:01 GMT
Kai Sasaki created HDFS-8613:
--------------------------------

             Summary: Add option to list up allowed hosts that can do any operation to NameNode.
                 Key: HDFS-8613
                 URL: https://issues.apache.org/jira/browse/HDFS-8613
             Project: Hadoop HDFS
          Issue Type: Improvement
    Affects Versions: 2.7.0
            Reporter: Kai Sasaki
            Assignee: Kai Sasaki
            Priority: Minor


Current NameNode receives all operations through client protocol from any hosts. 

However, some critical operations such as {{format}} should be restricted with not only Kerberos
authentication but also with host names in order to prevent us from formatting NameNode by
mistake. It is better to add option to write some allowed hosts which can do any operations
to NameNode.



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