Does Cloudfront Distributions domain affect SEO?

Question

Today I accidentally discovered that the Cloudfront Distributions domain (xxxxxx.cloudfront.net) can be accessed directly, Like a mirror site of my site, I'm worried, will this affect SEO?
 Is there a way to close access to the CloudFront Distributions domain?

Answer

Hello Edward,

I found the following medium-blog-post (so credits to the author): https://stephenkeable.medium.com/block-direct-access-to-cloudfront-net-urls-when-using-an-alternate-domain-d4d44a357233

Seems like you can do it simply by blocking access to the cloudfront domain if the hostheader does not match the alternate domain name(s) with a WAF-rule.

Does Cloudfront Distributions domain affect SEO?

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