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SSL Certificates without localhosts and IP addresses
20-04-2015 13:09:42
Due to introducing by CA/Browser Forum (CA/B) its guidelines, issuing of SSL certificates for IP addresses and server internal names won’t be allowed if its validity period exceed November 1st, 2015.
Guidelines indicates also the October 1st, 2015 as the deadline for revocation of all certificates containing an IP address or internal name as the SAN (Subject Alternative Name) or CN (Common Name) .
What does it mean?
If you are running a server that is using a local names or IP address, you should change it to a public domain (based on gTLD or ccTLD) or change your certificate to one that meets the above date. All internal connections that require a public certificate must be made using names that are verifiable.
Therefore, we recommend changing the currently used names, eg. use of subdomain in previously registered name, eg. Serwer01.intranet.yourdomain.com.
Check if above changes affect your certificate:
If the values of "Website" or "Alternative names (SANs)" fields is inconsistent with the CA / Browser guidelines, a certificate will soon be unrecognized.
Examples of affected names:
- Server01
- exch01.certyfikatyssl.local
- srv01.domena.lan
- localhost
- 213.76.36.100
- 10.0.0.10
If your certificate contains similar names, you must take necessary steps.
CA/B Forum Information: https://cabforum.org/internal-names/
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