Browser SSL error
"Your connection is not private" and similar messages: causes, certificate check and fixes.
Messages such as "Your connection is not private" (NET::ERR_CERT_COMMON_NAME_INVALID, ERR_CERT_DATE_INVALID) mean the browser does not trust the site's certificate.
Symptoms#
A browser warning before the page opens, a crossed-out padlock or "Not secure" in the address bar.
Causes#
- the certificate has not yet been issued for the domain (a newly added domain, DNS does not yet point to our server),
- the certificate has expired or failed to renew,
- the certificate is valid for a different name (e.g. only for
yourdomain.com, and you openwww), - the domain points to the wrong server (DNS propagation),
- the wrong date or time on your computer,
- the page mixes secure and insecure resources (Mixed content).
Fix#
- Check the clock and date on your computer and open the site in another browser or on a phone.
- Check DNS: the domain must point to ScyHost (Point your domain). AutoSSL can issue a certificate only once the domain resolves to our server.
- In cPanel open Security → SSL/TLS Status and check that the domain (and
www) has a valid certificate. If it reports an error, run Run AutoSSL (SSL and AutoSSL). - Wait after running it: issuing may take a while.
- Once the certificate works, turn on the HTTPS redirect (Forcing HTTPS).
Ticket#
If AutoSSL does not succeed, open a ticket with the domain, the exact browser message (screenshot) and the message from SSL/TLS Status.
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DNS propagationWhy a DNS change is not instant, how to check it and what to do while you wait.SSL certificate and AutoSSLHow to check your SSL certificate in cPanel and run AutoSSL if it was not issued.Forcing HTTPSHow to automatically redirect all visitors from http:// to https:// using cPanel or the .htaccess file.Mixed content warningWhy an HTTPS page shows a warning or broken images and how to fix it.