Symptoms
- When issuing a 3rd party certificate, error 404 is returned mentioning
/.well-known/pki-validation/file.txt
Cause
Common challenge directory is enabled
Resolution
If using Sectigo to issue certificates
-
Connect to the server via SSH
-
Disable the common challenge directory support using the command:
# plesk ext sslit --common-challenge-dir -disable
Note: It is recommended to always keep common challenge directory support enabled.
If not using Sectigo
-
Disable Sectigo SSL extension at Extensions > My Extensions.
-
Regenerate web-server configuration:
# plesk repair web -y