If the SSL client supports SANs (Subject Alternative Names) and there is a SAN extension in the server's certificate, then the client will ignore the subject common name entirely and try to match the server name to one of the names in the SAN list. (This is why you will always see the subject common name repeated in the SAN list.)

The Common Name (AKA CN) represents the server name protected by the SSL certificate.The certificate is valid only if the request hostname matches the certificate common name. Most web browsers display a warning message when connecting to an address that does not match the common name in the certificate. What is the Common Name? - SSL.com The Common Name must be the same as the Web address you will be accessing when connecting to a secure site. For example, an SSL Server Certificate for the domain domain.com will receive a browser warning if accessing a site named www.domain.com or secure.domain.com, as www.domain.com and secure.domain.com are different from domain.com. You What is a Common Name? - DigiCert May 12, 2020

If the SSL client supports SANs (Subject Alternative Names) and there is a SAN extension in the server's certificate, then the client will ignore the subject common name entirely and try to match the server name to one of the names in the SAN list. (This is why you will always see the subject common name …

Common Name does not match Server Name - SSL Certificate Hot Network Questions I accidently ran "sudo umount -a" and now have no access to anything What is a Multiple Domain (UCC) SSL certificate? | SSL

The distinguished name used in a SSL/TLS certificate is just a hostname. It never includes the path component of a URL -- a certificate which included that text in a CN would be invalid. Does HTTPS verify the domain in the requested URL matches the SSL certificate Common name? 0. Can I complete SSL Certificate Domain Control Validation (DCV) 0.

The Common Name must be the same as the Web address you will be accessing when connecting to a secure site. For example, an SSL Server Certificate for the domain domain.com will receive a browser warning if accessing a site named www.domain.com or secure.domain.com, as www.domain.com and secure.domain.com are different from domain.com. You May 12, 2020 · The Common Name field is often misinterpreted and is filled out incorrectly. Do not use your organization's actual name as your common name. Before you can enroll for a certificate, you must generate a Certificate Signing Request (CSR) from your Web server. While generating a CSR, you type information in the Common Name field. Common Name (CN) Common Name is used to specify the host or server identity. When a client try to connect to a remote server like HTTP server it will first get the SSL certificate of this server. Then compare the Host name or domain name it want to connect with the Common Name provided in the SSL certificate. You can associate the host names to an SSL certificate using two different attributes: the Common Name; the Subject Alternative Name (SAN) The Common Name allows specifying a single entry (either a wildcard or single-name), whereas the SAN extension supports multiple entries. However, the SAN is only supported by certain SSL certificate products. If you provided a CSR for the server using the SSL certificate and are moving to a new server, you'll also need to re-key the certificate; Click Submit All Saved Changes. Note: With Deluxe and Extended Validation SSLs, you can only change the common name; you cannot change the organization's information. Next step. Verify your certificate