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https://issues.apache.org/jira/browse/HADOOP-8227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13242483#comment-13242483
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Robert Joseph Evans commented on HADOOP-8227:
---------------------------------------------
Unfortunately for 0.23 the RPC engine code is split among the projects so the
patches for MAPREDUCE-4079 and HADOOP-8227 need to go in at the same time. I
have attached the full patch for branch-0.23 at
https://issues.apache.org/jira/secure/attachment/12520617/MR-4079-full-branch-0.23.txt
for both of these JIRAs. Once both JIRAs are approved for trunk and
branch-2.0, I can put the full patch into branch-0.23.
> Allow RPC to limit ephemeral port range.
> ----------------------------------------
>
> Key: HADOOP-8227
> URL: https://issues.apache.org/jira/browse/HADOOP-8227
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 0.23.2
> Reporter: Robert Joseph Evans
> Assignee: Robert Joseph Evans
> Priority: Blocker
> Attachments: HADOOP-8227-trunk.txt
>
>
> This is a sub task of MAPREDUCE-4079. For security reasons we would like to
> limit the range of ports that are used when some RPC servers select a port.
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