How to get the server to respond with Access-Challenge ?

[Alan DeKok]

Saravanan Ramaswamy <saravr at yahoo.com> wrote:
> I would like to know how to make the RADIUS server
> (freeRADIUS 1.0.0-pre3) to send a challenge to the
> NAS. That is, instead of getting Access-Accept or
> Access-Reject, I want to see Access-Challenge. What do
> I need to set in the user's profile ?

  You need to use a protocol that supports Access-Challenge.
i.e. EAP.  Without that, there's no reason to send an Access-Challenge.

> I am using the plain ascii/pap/chap/mschap kind of authentications.

  Then sending an Access-Challenge is wrong, and will *never* work.

  Alan DeKok.