I use Google Authenticator. I don't think you can have multiple devices active concurrently, nor can you export the keys. I think the proper way to transfer to a new device is to decomm the old one by disabling 2FA, then set it up again on the new device. One way to avoid this is to print/save the QR code on the initial setup, but once it's gone, there's no way to retrieve it.
On Fri, Jul 28, 2017 at 10:14 AM, <whand...@lasthonorableman.net> wrote: > We recently were forced to start using 2FA for a service at work and, > as I agree with the practice (at least in principal), I started using > Google Authenticator for several other services, including sudo on a > couple of Linux boxes I have. > > Now I'm facing a phone that desperately needs to be replaced but > authenticator codes locked into the software on that one device. I know > I can get new codes for all of my existing services and just set it up > fresh on a new device but I'm curious how that's "normally" handled. I > wouldn't necessarily have that option if I chucked my phone into a brick > wall as I have been sorely tempted to do on multiple occassions lately. > > > Do you backup your authenticator keys somewhere? If so, how? > > Set it up on multiple devices under the assumption that at least will be > functional long enough to reset codes with the services? > > Do you avoid 2FA specifically because of this issue? > > Something else totally obvious that I just missed? > > > Thanks, > > Bill > > _______________________________________________ > General mailing list > General@brlug.net > http://brlug.net/mailman/listinfo/general_brlug.net > >
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