Search results
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.
May 23, 2014 · The Common Name is typically composed of Host + Domain Name and will look like www.yoursite.com or yoursite.com. SSL Server Certificates are specific to the Common Name that they have been issued to at the Host level.
Nov 1, 2023 · Solution. SSL Certificates. The Common Name (CN), also known as the Fully Qualified Domain Name ( FQDN ), is the characteristic value within a Distinguished Name (DN). Typically, it is composed of Host Domain Name and looks like, "www.digicert.com" or "digicert.com".
Assuming the Subject Alternative Name (SAN) property of an SSL certificate contains two DNS names. domain.example; host.domain.example; but the Common Name (CN) is set to only one of both: CN=domain.example. Does this setup have a special meaning, or any [dis]advantages over setting both CNs?
Jan 29, 2024 · In every X.509 certificate, there’s a common name (CN) attribute. This attribute tells the certificate receiver the name of the entity that owns the public key in the certificate. Besides that, there’s an X.509 extension, subject alternative names (SAN), that stores other identifiers.
When a certificate, or an identity extracted from a certificate, is "shown" to a human user, the Common Name will figure proeminently. For instance, if using smart card logon on a Windows system, then the logon screen will show the Common Name in big letters when the smart card is inserted.
Single vs Multi names. 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.
