FreeRadius OTP QR code scan old Android vs iPhone
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I'm using FreeRadius for OTP for my 2FA OpenVPN authentication. Everything working like a charm.
But now I'm facing a little problem. I've created a new user and generate de QR code to scan on the user's Android mobile phone Microsoft Authenticator (and tried with google authenticator).
When I can the QR code on his Android, I dont get the same 6 digit code as on my iphone. I tried on a newer Android, the code is good like the one on my iphone when I try to connect to the VPN.
On the old Android, I tried different software, enterint the init-secret code manually in the authenticator = the 6 digit is not the good one and not working to connect to the VPN.
Anyone already facing that problem!?!? I'm confuse!!!
Any suggestion would be appreciate.
Thanks.