Dear all,<br><br>&nbsp;&nbsp; I am a new user of freeradius, currently using freeradius 1.1.0 on Redhat Linux. I wish to setup freeradius for a 2 factor authentication, such that:<br><br>&nbsp; NAS issue an Access-Request to Radius server<br>&nbsp; Radius server authenticate against LDAP<br>&nbsp; once successful --<br>&nbsp; Radius server then issue an Access-Chanllenge&nbsp; to NAS (second factor, asking for&nbsp; an additional password/token)<br>&nbsp; NAS reply with an Acces-Request<br>&nbsp; Radius server then authenticate the second Access-request and reply to NAS.<br><br>&nbsp; The above is roughly the authentication flow I wish to achieve. After reading the configuration setup instructions, I still have no clue where to start with the configuration, can some one please enlighten me? Is there a custom built radius module required?<br><br>Thanks in advance for all the help<br><br>regards<br>Kaden<br> <p>
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