Newbie here, first time with Let’s Encrypt and first post. I’ve searched the forums here (and googled) but not found a solution to my specific problem.
I am usually (but intermittently) seeing Chrome’s “Your connection is not private” privacy error: NET::ERR_CERT_COMMON_NAME_INVALID for my site and the WP admin.
I see this using different devices and different browsers.
Viewing the certificate, I see it’s issued to *gridhost.co.uk, which is something to do with my host (Vidahost, owned by Paragon, using gridhost server for email).
This server could not prove that it is fishingholidaysmaldives.com; its security certificate is from *.gridhost.co.uk.
Certificate #2: RSA 4096 bits (SHA256withRSA)
Common names *.gridhost.co.uk MISMATCH
Trusted No NOT TRUSTED
On the occasions when the site does load correctly, I see the cert is assigned correctly to my domain. However, refreshing the page and clicking within the WP admin, brings back the error after a few seconds.
Also strange in Firefox, is that when I refresh the page I see different versions of the site - one seemingly without the stylesheet, one without the background image, and then the normal page (and after a few clicks, the privacy error).
Vidahost support have been great but cannot find the error (saying it’s local to me, despite showing on unconnected Win10, Android and IOS devices). But I think it’s more likely to be :
- I’ve made a config error (wp install, .htaccess)
- the host’s cPanel auto-install has not worked correctly
- my ISP has some weird caching
Thanks in advance for any help.