NET::ERR_Cert_COMMON_NAME_INVALID

[bbc]

With some ISP's the Common Name (CN) is johnny.heliohost.org which causes a security message and 404 errors. On others it will work just fine and show bbc.heliohost.org as the common name. I tried uninstalling and re-installing the Let's Encrypt SSL/TLS yesterday. Thanks for any help.

[Ookma-Kyi]

21 minutes ago, bbc said:

With some ISP's the Common Name (CN) is johnny.heliohost.org which causes a security message and 404 errors. On others it will work just fine and show bbc.heliohost.org as the common name. I tried uninstalling and re-installing the Let's Encrypt SSL/TLS yesterday. Thanks for any help.

Try the following:

1. Make sure your SSL certificate is correct.

2. Look for incorrect redirects.

3. Check if your WordPress address and site addresses are the same.

4. See if your site has a self-signed SSL certificate.

5. Flush your SSL state and browser cache.

6. Check your proxy settings.

[wolstech]

The ISP is probably caching the site on their end if some work and others don’t. The solution is to usually to wait until their cache expires.

When a domain is first added or an account is first created it has a certificate that’s invalid until the server sets up a proper certificate for it, so there is a period of time where the site does exist with an invalid certificate.