TLS Certificate issued on Oct 6 not trusted

Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g., so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.

My domain is:

I ran this command:

  1. sudo certbot renew --force-renewal
  2. sudo openssl verify /etc/letsencrypt/live/
  3. sudo openssl verify /etc/letsencrypt/live/
  4. sudo openssl verify -CAfile /etc/letsencrypt/live/ /etc/letsencrypt/live/

It produced this output:

  1. no renewal failures, forced renewal since certificate was not trusted, issue not resolved
  2. /etc/letsencrypt/live/ OK
  3. CN =
    error 20 at 0 depth lookup: unable to get local issuer certificate
    error /etc/letsencrypt/live/ verification failed
  4. C = US, O = Internet Security Research Group, CN = ISRG Root X1
    error 2 at 2 depth lookup: unable to get issuer certificate
    error /etc/letsencrypt/live/ verification failed

My web server is (include version): Apache/2.4.41 (Ubuntu)

The operating system my web server runs on is (include version): Ubuntu 20.04.3 LTS

My hosting provider, if applicable, is: N/A

I can login to a root shell on my machine (yes or no, or I don't know): yes

I'm using a control panel to manage my site (no, or provide the name and version of the control panel): no

The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot): 1.20.0

Your Fortinet device doesn't like the certificate chain. You need to update Fortinet: Fortinet and Expiring Let’s Encrypt Certificates


If the problem persists...
Which version of OpenSSL are you using? (not likely the problem)
Has ca-certificates been updated lately? (possibly outdated)

This topic was automatically closed 30 days after the last reply. New replies are no longer allowed.