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GitHub to require 2FA on accounts by October 6, 2023
(github.blog)
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this post was submitted on 22 Aug 2023
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Technology
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Well the good news for you is that a website specifying one or the other is nothing more than marketing from that app maker! So long as there is a QR code (or a long random-ish string), you can use any authenticator app that supports that website’s 2FA algorithms!
That last bit is important because I think Lemmy had a non-standard 2FA algorithm (SHA-256?) that wouldn’t work with Google Authenticator.
Lemmy works with Google Authenticator, but not with Authy.
Annoyingly Authy fails silently and ignores the part of the code that specifies SHA-256 and just generates a SHA-1 code that won't work with no warning or indication to the user.
that's good to know. I'll just switch everything over to google authenticator then.