Freeradius as a PIN server?

Sušnik Rudolf Rudolf.Susnik at
Wed Dec 14 11:39:28 CET 2011

Perhaps you may want delivering PIN to user's cellular over SMS. Anyway Freeradius seems not to be enough, at least you would need some external database and web server - both for creating and storing PINs. I did the task using FR, Apache and MySql. As I see, my concept is quite similar to Nick's one.

Regards, Rudolf.

-----Original Message-----
From: at [ at] On Behalf Of Nick Owen
Sent: Tuesday, December 13, 2011 6:58 PM
To: FreeRadius users mailing list
Subject: Re: Freeradius as a PIN server?

On Tue, Dec 13, 2011 at 11:07 AM, Peter Moreton <Peter.Moreton at> wrote:
> Sorry for the newbie question, but, quite simply, could Freeradius be 
> configured to provide a simple 'PIN Server' ? - I want users to be 
> able to choose a 4 digit PIN, and then have Freeradius validate Logon 
> requests using the username/PIN combination (in addition to some 
> separate LDAP
> authentication)
> Really, I am looking to build a lightweight 2-factor authentication 
> system, without the expense of RSA SecurID or similar.

I'm afraid knowledge of a PIN and knowledge of a password is not two-factor authentication, it is just more of a one-factor authentication.

Feel free to use our open-source two-factor authentication system:  If someone wants to contribute a freeradius rlm module using one of our api packages, we would greatly appreciate it:


Nick Owen
WiKID Systems, Inc.
Commercial/Open Source Two-Factor Authentication

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