Verlag Neue Stadt wrote:
we would like to have captive users(authentication portal) authenticated with a one time password (OTP).
The captive portal is responsible for implementing the login page, and all of the handling of RADIUS client requests.
After entering the user-account at the captive login page, preferably a/the RADIUS server should send the unique autentication number (sometimes called mobile TAN/mTAN or OTP) to the users mobile phone in order to gant access.
No. The *captive portal* is responsible for this. It should also insert the number into a DB. FreeRADIUS can then query that DB for authentication information.
Is something like that possible with freeradius?
It has very little to do with FreeRADIUS. You need to configure it to read usernames/passwords from a DB, and you need to configure the captive portal to do everything else. Alan DeKok.