[openssl-users] Subject CN and SANs
aerowolf at gmail.com
Sun Dec 23 09:44:09 UTC 2018
Does Apache only examine CN=, or does it also check subjectAltNames dNS entries?
On Sun, Dec 23, 2018 at 3:25 AM Walter H. <Walter.H at mathemainzel.info> wrote:
> On 23.12.2018 03:47, Salz, Rich via openssl-users wrote:
> > > >. New certificates should only use the subjectAltName extension.
> >> Are any CAs actually doing that? I thought they all still included subject.CN.
> > Yes, I think commercial CA's still do it. But that doesn't make my statement wrong :)
> Apache raises a warning at the following condition
> e.g. a virtual Host defines this:
> ServerName www.example.com:443
> and the SSL certificate has a CN which does not correspond to
> CN=www.example.com, e.g. CN=example.com
> then the warning looks like this
> [Fri Dec 07 07:08:19.393876 2018] [ssl:warn] [pid 29746] AH01909:
> www.example.com:443:0 server certificate does NOT include an ID which
> matches the server name
> and fills up the logs
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