I have looked through previous questions but could not find an answer that works for our use case.
We created a certificate using this tool here: GitHub - fszlin/certes: A client implementation for the Automated Certificate Management Environment (ACME) protocol and uploaded it to our Azure app service.
The certificate was exported as .pfx and the full chain was included in the .pfx file.
We have been using Let's Encrypt for a while with no issues.
Some of our clients suddenly start reporting "net err cert authority invalid" error on their browser and our mobile app was throwing up a similar error.
My domain is:
It produced this output:
0 s:CN = *.wellahealth.com
i:C = US, O = Let's Encrypt, CN = R3
1 s:C = US, O = Let's Encrypt, CN = R3
i:C = US, O = Internet Security Research Group, CN = ISRG Root X1
My web server is (include version):
Azure App service.
The operating system my web server runs on is (include version):
My hosting provider, if applicable, is:
I can login to a root shell on my machine (yes or no, or I don't know):