Issue with 2FA

[biersoeckli]

Describe the bug
A user reported, that he is unable to enter the 2FA code.

Additional context
Possible problem: After authenticating with username and password the QuickStack instance shut down and was offline when entering 2FA code.

[omur00]

Hi,
I figured out when this happens.
It occurs either because of an SSL certificate issue or the 2FA code is being sent in a GET request instead of in the request body.
My antivirus blocks the request, which causes the error.
I disabled anti-virus and 2FA worked.