Comment on Yubikey guide for Git Signing, SSH Auth, U2F 2FA, and 1Password (2017)parentComments−AdmiralAsshat7yI wouldn't doubt that, although I ran into the same problem trying to register my Yubikey on GitHub as well. Could well be another "Built to Chrome spec, not the standard spec," I suppose.−tialaramex7yAh, for sites using U2F rather than WebAuthn you may (depending on Firefox version) need to explicitly tell Firefox to emulate the old U2F APIs.https://support.yubico.com/support/solutions/articles/150000...https://blog.mozilla.org/security/2019/04/04/shipping-fido-u...My GitHub has two Security Keys registered via Firefox this way.
Comments
I wouldn't doubt that, although I ran into the same problem trying to register my Yubikey on GitHub as well. Could well be another "Built to Chrome spec, not the standard spec," I suppose.
Ah, for sites using U2F rather than WebAuthn you may (depending on Firefox version) need to explicitly tell Firefox to emulate the old U2F APIs.
https://support.yubico.com/support/solutions/articles/150000...
https://blog.mozilla.org/security/2019/04/04/shipping-fido-u...
My GitHub has two Security Keys registered via Firefox this way.