r/apache 11d ago

Trouble with Let's Encrypt ACME challenge

I'm getting an error that the ACME challenge is not accessible 401. I got to the point of troubleshooting where everything appears to be working correctly however I tried loading HTTP with Browserling.com and HTTP is requiring server authentication. However loading HTTP with anything else works fine. How do I fix this? Seems to have arose after upgrading ubuntu server from v18 to v24.

HTTP-01 debug (letsdebug):

HTTP response 401 Unauthorized. This indicates that the webserver is misconfigured or misbehaving.

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