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https://issues.apache.org/jira/browse/HADOOP-10498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13969569#comment-13969569
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Kihwal Lee commented on HADOOP-10498:
-------------------------------------

According to the IETF draft, 
http://tools.ietf.org/html/draft-ietf-appsawg-http-forwarded-10 , the header 
format may change to include information about multiple proxies involved in 
forwarding.  Even if this becomes the standard, proxy servers will most likely 
still put the defacto "X-Forwarded-For" header for compatibility reasons.  For 
this reason, I think it is reasonable to assume "X-Forwarded-For" for now.  If 
the proposal becomes a standard, it will be more than just header name change, 
so making it configurable doesn't seem to add much value.

+1 for the patch.

> Add support for proxy server
> ----------------------------
>
>                 Key: HADOOP-10498
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10498
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: util
>    Affects Versions: 2.0.0-alpha, 3.0.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>         Attachments: HADOOP-10498.patch
>
>
> HDFS-6218 & HDFS-6219 require support for configurable proxy servers.



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