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https://issues.apache.org/jira/browse/HDFS-14234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Clay B. updated HDFS-14234:
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Summary: Limit WebHDFS to specifc user, host, directory triples (was:
LImit WebHDFS to specifc user, host, directory triples)
> Limit WebHDFS to specifc user, host, directory triples
> ------------------------------------------------------
>
> Key: HDFS-14234
> URL: https://issues.apache.org/jira/browse/HDFS-14234
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: webhdfs
> Reporter: Clay B.
> Priority: Trivial
>
> For those who have multiple network zones, it is useful to prevent certain
> zones from downloading data from WebHDFS while still allowing uploads. This
> can enable functionality of HDFS as a dropbox for data - data goes in but can
> not be pulled back out. (Motivation further presented in [StrangeLoop 2018 Of
> Data Dropboxes and Data
> Gloveboxes|https://www.thestrangeloop.com/2018/of-data-dropboxes-and-data-gloveboxes.html]).
> Ideally, one could limit the datanodes from returning data via an
> [{{OPEN}}|https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/WebHDFS.html#Open_and_Read_a_File]
> but still allow things such as
> [{{GETFILECHECKSUM}}|https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/WebHDFS.html#Get_File_Checksum]
> and
> {{[{{CREATE}}|https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/WebHDFS.html#Create_and_Write_to_a_File]}}.
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