Before you decide whether to log a certificate in to CT logs, it is important to understand that, in the vast majority of situations, logging your certificates in public CT logs is the correct option.
However, we know that you may have internal domains you don’t want to be made public in CT logs. These domains can be excluded from CT logs. Below is some information to help you make the right CT logging choice.
If the certificate is protecting a public website, you should always log it in public CT logs.
If the certificate is protecting an internal or private site, and you have organization and domain names that need to be kept private for branding, privacy, or network security reasons, you can choose to not log the certificate.
The downside is that most browsers have CT logging requirements (e.g., Chrome, Safari, etc.) and anyone connecting to your site will see an untrusted warning. So, make sure you:
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