[jira] [Created] (HADOOP-12668) Modify HDFS embeded jetty server logic in HttpServer2.java to exclude weak Ciphers through ssl-server.conf

["Vijay Singh (JIRA)" <ji...@apache.org>]

Vijay Singh created HADOOP-12668:
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             Summary: Modify HDFS embeded jetty server logic in HttpServer2.java to exclude weak Ciphers through ssl-server.conf
                 Key: HADOOP-12668
                 URL: https://issues.apache.org/jira/browse/HADOOP-12668
             Project: Hadoop Common
          Issue Type: Improvement
          Components: security
    Affects Versions: 2.7.1
            Reporter: Vijay Singh
            Assignee: Vijay Singh
            Priority: Critical
             Fix For: 2.7.2


Currently Embeded jetty Server used across all hadoop services is configured through ssl-server.xml file from their respective configuration section. However, the SSL/TLS protocol being used for this jetty servers can be downgraded to weak cipher suites. This code changes aims to add following functionality:
1) Add logic in hadoop common (HttpServer2.java and associated interfaces) to spawn jetty servers with ability to exclude weak cipher suites. I propose we make this though ssl-server.xml and hence each service can choose to disable specific ciphers.
2) Modify DFSUtil.java used by HDFS code to supply new parameter ssl.server.exclude.cipher.list for hadoop-common code, so it can exclude the ciphers supplied through this key.



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