We understand that you may want to keep specific public SSL/TLS certificates out of the CT logs. However, before you begin excluding certificates from the CT logs, make sure you understand the consequences of unlogged SSL/TLS certificates.
Browsers with CT requirement policies will show an untrusted warning or a reduced security indicator on sites with unlogged SSL/TLS certificates.
Google Chrome was the first browser to show warnings on sites with unlogged certificates issued after April 1, 2018. See Google CT to Expand to All Certificates Types.
Other browsers have begun to follow suit. Apple will show warning on sites with unlogged certificates issued after October 15, 2018. See Apple Announces Certificate Transparency Requirement.
To remove this untrusted warning from an unlogged certificate, you must do the following:
DigiCert is the world’s premier provider of high—assurance digital certificates—providing trusted SSL, private and managed PKI deployments, and device certificates for the emerging IoT market. Since our founding almost fifteen years ago, we’ve been driven by the idea of finding a better way. A better way to provide authentication on the internet. A better way to tailor solutions to our customer’s needs. Now, we’ve added Symantec’s experience and talent to our legacy of innovation to find a better way to lead the industry forward, and build greater trust in identity and digital interactions.
©2019 DigiCert, Inc. All rights reserved. DigiCert and its logo are registered trademarks of DigiCert, Inc. Symantec and Norton and their logos are trademarks used under license from Symantec Corporation. Other names may be trademarks of their respective owners.