My domain is: lms-edxplatform-tm.trafficmanager.cn
I ran this command: sudo certbot renew
It produced this output:
Cert is due for renewal, auto-renewing…
Plugins selected: Authenticator webroot, Installer None
Starting new HTTPS connection (1): acme-v01.api.letsencrypt.org
Renewing an existing certificate
Performing the following challenges:
http-01 challenge for lms-edxplatform-tm.trafficmanager.cn
Waiting for verification…
Cleaning up challenges
Attempting to renew cert (lms-edxplatform-tm.trafficmanager.cn) from /etc/letsencrypt/renewal/lms-edxplatform-tm.trafficmanager.cn.conf produced an unexpected error: Failed authorization procedure. lms-edxplatform-tm.trafficmanager.cn (http-01): urn:acme:error:unauthorized :: The client lacks sufficient authorization :: Invalid response from http://lms-edxplatform-tm.trafficmanager.cn/.well-known/acme-challenge/Fy3ZUlvbKXeJi-xPOxTcmk3N9AvIl2ZZS12q-tpAhwQ: "\r\n<html xmlns=“http”. Skipping.
I use Nginx on Ubuntu.
The version of my client is certbot 0.22.2
I have a file located at http://lms-edxplatform-tm.trafficmanager.cn/.well-known/acme-challenge/test
but it return 502
Anyone can help , thanks.