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From "Owen O'Malley" <omal...@apache.org>
Subject Re: about hadoop security
Date Mon, 19 Mar 2012 17:27:27 GMT
2012/3/19 郭华 <a798987859@126.com>

> hello,
> I am reading hadoop's source code.
> I want to know that if hadoop uses JAAS?

If you look in UserGroupInformation.java, you'll see where Hadoop hooks
into JAAS. JAAS isn't a great fit for Hadoop's security needs, but it did
provide a hook to get the Kerberos credentials.

-- Owen

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