Benoy Antony created HDFS-5661:
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             Summary: Browsing FileSystem via web ui, should use datanode's 
hostname instead of ip address
                 Key: HDFS-5661
                 URL: https://issues.apache.org/jira/browse/HDFS-5661
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 2.2.0
            Reporter: Benoy Antony
            Assignee: Benoy Antony



If authentication is enabled on the web ui, then a cookie is used to keep track 
of the authentication information. There is normally a domain associated with 
the cookie. Since ip address doesn't have any domain , the cookie will not be 
sent by the browser while making http calls with ip address as the destination 
server.

This will break browsing files system via web ui , if authentication is enabled.

Browsing FileSystem via web ui, should use datanode's hostname instead of ip 
address. 



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