[jira] [Created] (HDFS-3535) audit logging should log denied accesses as well as permitted ones

["Andy Isaacson (JIRA)" <ji...@apache.org>]

Andy Isaacson created HDFS-3535:
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             Summary: audit logging should log denied accesses as well as permitted ones
                 Key: HDFS-3535
                 URL: https://issues.apache.org/jira/browse/HDFS-3535
             Project: Hadoop HDFS
          Issue Type: New Feature
          Components: name-node
    Affects Versions: 2.0.0-alpha
            Reporter: Andy Isaacson
            Assignee: Andy Isaacson


FSNamesystem.java logs an audit log entry when a user successfully accesses the filesystem:

{code}
      logAuditEvent(UserGroupInformation.getLoginUser(),
                    Server.getRemoteIp(),
                    "concat", Arrays.toString(srcs), target, resultingStat);
{code}

but there is no similar log when a user attempts to access the filesystem and is denied due to permissions.  Competing systems do provide such logging of denied access attempts; we should too.

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