Google Authenticator not available on USG

TimBernhardson · January 2022

Have USG40 running V4.65(AALA.1). According to the various docs and release notes I should be able to use Google Authenticator for both Admin & VPN Access, however the only options shown are SMS and email. What needs to be done to enable Google Authenticator?

jonatan · January 2022

Hi @TimBernhardson , enable two-factor authentication in user settings. I have it on firmware 4.70.

https://support.zyxel.eu/hc/en-us/articles/360018356680-Two-Factor-Authentication-with-Google-Authenticator-for-Admin-Access

https://support.zyxel.eu/hc/en-us/articles/4412733476114-Use-Google-Authenticator-for-2FA-VPN-connection

TimBernhardson · January 2022

I already viewed those two docs, and the option for Google Authenticator is not there. I did some more digging - what version of USG do you have? Looks like it may be an issue where Google Auth is only supported on the "Cloud USG" E.G. USG-Flex Product, and not on the USG40.

jonatan · January 2022

I have Zywall 310.

jonatan · January 2022

On the demo page (https://zylab.zyxel.eu:4433/) of the UAG 60W gateway (it does not differ in functionality from yours) there is also a GoogleGoogle Authenticator setting. But there's firmware 4.70

Image: https://us.v-cdn.net/6029482/uploads/editor/40/w5anqngm7wxu.png

TimBernhardson · January 2022

Upgraded to 4.70 and the (partly) good news is that I now have the Google Authenticator option for Admin Access, Still only SMS or Email for VPN Access though. Guess I'll have to wait for a future upgrade. Thanks for the help.

Zyxel_Cooldia · January 2022

Hi @TimBernhardson,
Google Authenticator for VPN access is available in ATP/FLEX series. You could use ATP/Flex series to get more feature comparing to USG40.

Image: https://us.v-cdn.net/6029482/uploads/editor/cp/ibj1t6atfepj.jpg

valerio_vanni · October 2024

I have an USG Flex-500 and the "Auth. Method" page is like the one you posted.

But, even if I select "google authenticator", when I go in user's properties →two factor tab → enable two factor auth I see only mail and SMS.

What am I missing?

Google Authenticator not available on USG

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