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<https://en-us.help.blackboard.com/Learn/9.1_Older_Versions/9.1_SP_10_and_SP_11/Administrator/070_Authentication/About_the_Authentication_Framework>
<https://en-us.help.blackboard.com/Learn/9.1_Older_Versions/9.1_SP_10_and_SP_11/Administrator/070_Authentication>