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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-8999) SASL negotiation is flawed
Date Wed, 31 Oct 2012 17:28:13 GMT
Daryn Sharp created HADOOP-8999:
-----------------------------------

             Summary: SASL negotiation is flawed
                 Key: HADOOP-8999
                 URL: https://issues.apache.org/jira/browse/HADOOP-8999
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: ipc
            Reporter: Daryn Sharp
            Assignee: Daryn Sharp


The RPC protocol used for SASL negotiation is flawed.  The server's RPC response contains
the next SASL challenge token, but a SASL server can return null (I'm done) or a N-many byte
challenge.  The server currently will not send a RPC success response to the client if the
SASL server returns null, which causes the client to hang until it times out.

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