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Duo Multifactor Authentication
About Duke University is supporting Duo multifactor authentication for web and host based access. Duo provides a second factor through a smart phone app, security dongle, physical phone or several other ways.
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Kerberos
Kerberos Client Configuration Authentication Configuration Please note this documentation is out dated and “authconfig” has been replaced by “authselect” in Red Hat / CentOS 8 and newer.