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Things to Note When Issuing a Wildcard Certificate with ACM

Thu May 3, 2018
Sat Aug 10, 2024
AWS

I encountered an issue while setting this up, so here’s a note.

Even though I properly configured ACM (AWS Certificate Manager), Route53, and Cloudfront, the site I created displayed “Not Secure.”

It looked like this:

Things to Note When Issuing a Wildcard Certificate with ACM

The cause was that when adding a domain name in ACM, I only registered the wildcard *.sample.com.

Doing it this way is incorrect. The correct way is as follows:

*.sample.com
shop.sample.com

Things to Note When Issuing a Wildcard Certificate with ACM

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ACM
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