On Sat, Jul 11, 2020, 10:56 Murat BÜLBÜL <[email protected]> wrote:

> I found the reason and it is interesting. Only 30 seconds is generating
> valid code. No successful result for below other cases.
>
> totp-period: 31 : not working
>
> totp-period: 60 : not working
>
> *totp-period: 30 : working*
>
> totp-period: 20 : not working
>

Are you sure your authentication device supports periods other than 30?

- Mike

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