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From "Xiaoyu Yao (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-13060) Adding a BlacklistBasedTrustedChannelResolver for TrustedChannelResolver
Date Wed, 24 Jan 2018 23:49:00 GMT
Xiaoyu Yao created HDFS-13060:

             Summary: Adding a BlacklistBasedTrustedChannelResolver for TrustedChannelResolver
                 Key: HDFS-13060
                 URL: https://issues.apache.org/jira/browse/HDFS-13060
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Xiaoyu Yao
            Assignee: Ajay Kumar

HDFS-5920 introduces encryption negotiation between client and server based on a customizable
TrustedChannelResolver class. The TrustedChannelResolver is invoked on both client and server
side. If the resolver indicates that the channel is trusted, then the data transfer will not
be encrypted even if dfs.encrypt.data.transfer is set to true. 

The default trust channel resolver implementation returns false indicating that the channel
is not trusted, which always enables encryption. HDFS-5920 also added a build-int whitelist
based trust channel resolver. It allows you to put IP address/Network Mask of trusted client/server
in whitelist files to skip encryption for certain traffics. 

This ticket is opened to add a blacklist based trust channel resolver for cases only certain
machines (IPs) are untrusted without adding each trusted IP individually.

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