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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9421) Convert SASL to use ProtoBuf and add lengths for non-blocking processing
Date Thu, 20 Jun 2013 22:23:20 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13689763#comment-13689763
] 

Daryn Sharp commented on HADOOP-9421:
-------------------------------------

bq. That is correct. BTW Client can guess the best default for initial auth since it is the
default authentication for the Cluster (e.g. Kerberos or LDAP).

Wrong.  You can't guess in a heterogeneous security environment for different services.  You
can't even guess which mechanism a particular service will use for tokens.

How will you simultaneously support accessing both LDAP and KERBEROS secured services?  Or
something pluggable like a SSO_TOKEN on one cluster, "normal" TOKEN on another.  And either
of them might be using DIGEST-MD5 or SCRAM or something else.

How will you guess w/o a slew of config options?
                
> Convert SASL to use ProtoBuf and add lengths for non-blocking processing
> ------------------------------------------------------------------------
>
>                 Key: HADOOP-9421
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9421
>             Project: Hadoop Common
>          Issue Type: Sub-task
>    Affects Versions: 2.0.3-alpha
>            Reporter: Sanjay Radia
>            Assignee: Daryn Sharp
>            Priority: Blocker
>         Attachments: HADOOP-9421.patch, HADOOP-9421.patch, HADOOP-9421.patch, HADOOP-9421.patch,
HADOOP-9421.patch, HADOOP-9421.patch, HADOOP-9421.patch, HADOOP-9421.patch, HADOOP-9421-v2-demo.patch
>
>


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