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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-8999) SASL negotiation is flawed
Date Tue, 13 Nov 2012 00:31:14 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8999?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daryn Sharp updated HADOOP-8999:
--------------------------------

    Status: Patch Available  (was: Open)
    
> 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
>         Attachments: HADOOP-8999.patch
>
>
> 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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