On Thu, Sep 8, 2016 at 7:46 PM, Nux! <nux at li.nux.ro> wrote: > Hi, > > I am trying to enable 2FA using a local Radius server and a Duo-enabled[1] Radius server, but alas it seems I cannot mix same kind of authentication types. > "radius[config=/etc/radcli/radiusclient.conf,groupconfig=false]: You cannot mix multiple authentication methods of this type" Unfortunately that's a limitation, which looked reasonable initially, but now it looks like it should be reconsidered/lifted. > In fact I get the "cannot mix" error even if I mix auth of plain with radius or pam. > Any pointers as to what needs to be done to get this working? You can work-around it by setting up all your password auth methods over pam. That is, use radius over PAM, in addition to your primary auth password. regards, Nikos