Apache warning: server certificate does NOT include an ID which matches the server name

This warning may occur when the configured "ServerName" from apache does not exactly match the COMMON NAME field from the SSL certificate. Example:

Apache ServerName domain.com
Apache ServerAlias www.domain.com
SSL certificate Common Namewww.domain.com (incl. SAN entry for "domain.com")

-> Result: apache shows the warning, even though "domain.com" is perfectly covered by the SSL certificate (via it's SAN entry for "domain.com")

If you switch ServerName and ServerAlias:
Apache ServerName www.domain.com
Apache ServerAlias domain.com
SSL Common Namewww.domain.com (incl. SAN entry "domain.com")

... then the warning will be gone, das "ServerName" now exactly matches the domain name in the COMMON NAME field of the SSL certificate.


Conclusion: You may simply ignore this warning as it does not impact the validity of your SSL installation, or you simply swap ServerName and ServerAlias so that the domain is matching the COMMON NAME in your SSL certificate.

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