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https://issues.apache.org/jira/browse/MAPREDUCE-6402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14591096#comment-14591096
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Peter Shi commented on MAPREDUCE-6402:
--------------------------------------

I think there are 2 approaches:
1) bind the same ip with NodeManager, it is easy to implement, but the 
constraint is NM and AM should be in the same subnet.
2) configuration subnet for AM, like "192.168.0.0/8", and the AM try to bind 
the ip belongs to the subnet in the container.

> Application Master listen on all IPs
> ------------------------------------
>
>                 Key: MAPREDUCE-6402
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6402
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: applicationmaster
>    Affects Versions: 2.7.0
>            Reporter: Peter Shi
>            Assignee: Varun Saxena
>
> The application master listening on all IPs, which may cause security 
> problems. Similar issue: MAPREDUCE-5938



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