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From "Benoy Antony (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5661) Browsing FileSystem via web ui, should use datanode's hostname instead of ip address
Date Sat, 14 Dec 2013 17:18:07 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13848410#comment-13848410
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Benoy Antony commented on HDFS-5661:
------------------------------------

AuthFilter.java is used only for webhdfs. While accessing JSP files, AuthenticationFilter
is used and AuthenticationFilter  does not use delegationToken. 

Note that the use of IP address while generating redirectURL was introduced with HDFS-5307.
 It used to be fqdn before.

>From the HDFS-5307 patch ,

-    String fqdn = canonicalize(chosenNode.getIpAddr());
 -    String tailUrl = "///" + fqdn + ":" + chosenNode.getInfoPort()
 +
 +    String tailUrl = "///" + JspHelper.Url.authority(req.getScheme(), chosenNode)

> 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
>         Attachments: HDFS-5661.patch
>
>
> 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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