2 Factor Authetication and EAP-GTC

Hello: I have recently been made a part of a project in which we intend to use freeradius. So far, FR seems to be the ideal tool except for one small issue: 2-Factor Authentication. Try as I might, I cannot seem to find any way to set up a multi-factor solution using PEAP. So I suppose my

Re: 2 Factor Authetication and EAP-GTC

Hi Carl, This heavily depends on your OTP backend. The problem arises when the OTP is not passed to the radius server, which is the case with all challenge response protocols. Then the backend can not easily predict, which OTP value the user has entered--- due to time drifts (time based) or