Bug: Unable to obtain let's encrypt certificate via https-challenge.


Jan 29, 2022
It seems to fail when trying to fetch the challenge via https://<TLD>/.well-known/acme-challenge/<CHALLENGE ID>.
Reason is "<IP>: Invalid response from https://<TLD>/.well-known/acme-challenge/<CHALLENGE ID>: 400".
When accessing the above url you get an http 400 error with the content path contains illegal components.

This seems to be related to the . in the url and is caused by https://lists.proxmox.com/pipermail/pbs-devel/2021-September/004026.html .

This appears on both PBS 2.4 and PBS 3.0


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