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https://issues.apache.org/jira/browse/HDFS-5569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13838105#comment-13838105
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Colin Patrick McCabe commented on HDFS-5569:
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bq. Colin Patrick McCabe I'm not sure how adding a new IP address would by-pass
this? As the client I can add whatever IP address I want but if it's not
routable it won't work...
You can set your IP address to be the same as someone else on the network. It
may cause conflicts, but if your intent is to break system security, you
probably don't care.
> WebHDFS should support a deny/allow list for data access
> --------------------------------------------------------
>
> Key: HDFS-5569
> URL: https://issues.apache.org/jira/browse/HDFS-5569
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: webhdfs
> Reporter: Adam Faris
> Labels: features
>
> Currently we can't restrict what networks are allowed to transfer data using
> WebHDFS. Obviously we can use firewalls to block ports, but this can be
> complicated and problematic to maintain. Additionally, because all the jetty
> servlets run inside the same container, blocking access to jetty to prevent
> WebHDFS transfers also blocks the other servlets running inside that same
> jetty container.
> I am requesting a deny/allow feature be added to WebHDFS. This is already
> done with the Apache HTTPD server, and is what I'd like to see the deny/allow
> list modeled after. Thanks.
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