TOTP authentication If TOTP has been enabled as the authentication mode: Log in with your user name and password. Download an application to receive the TOTP. Supported TOTP applications/extensions are: Mobile applications: Google Authenticator Authy Duo Mobile Desktop-based extensions: Authenticator Authy Enter in a name to identify the registered device. Scan the QR code using the application. If a QR code is not supported, click Cannot scan it? Enter the TOTP received by the device. Click Sign In.