DO Spaces CDN with Cloudflare custom domain

Posted on April 14, 2024

Trying to get a custom domain for my Digital Ocean Spaces Bucket, really can’t find any solution…

What I’m doing:

I’ve setup a CNAME at Cloudflare (Name: “files”, Target: bucket-name.sfo2.digitaloceanspaces.com, Proxy: Enabled, SSL/TLS: Full (strict))

I’ve created a Origin Certificate (RSA (2048), Hostnames: files.domain.com, Certificate Validity: 15yrs)

Key Format PEM Copy/Paste Origin Certificate and Private Key to:

DO - Spaces Object Storage - bucket-name/https://bucket-name.sfo2.digitaloceanspaces.com - Settings - CDN Enabled - Edit CDN - +Add a new subdomain certificate - “Bring your own certificate”:

Certificate name* mysslcertificatename

Certificate* -----BEGIN CERTIFICATE----- OrIGINcERtIFIcaTEfrOMcLOUdFLarE -----END CERTIFICATE-----

Private key* -----BEGIN PRIVATE KEY----- prIVAtEkeYfROMcLOUdFLarE -----END PRIVATE KEY-----

Certificate chain <empty>

Subdomain* files https://files.domain.com

I then click the button: “Generate Certificate and Use Subdomain”.

This is what I see in DO - Spaces - Bucket - Settings:

I’ve previously had this setup working, but I suddenly experienced that the my custom domain CNAME was not working properly, so I disabled the CDN for the bucket and tried to enable it again. I’ve tried recreating what I did originally, but I’m not able to make it work.

It looks like there’s an issue with the SSL certificate., but I’m not really sure at this point.

I’d really appreciate some help here

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alexdo

April 16, 2024

Heya, @magnusstrand

You can double check the certificate files and make sure the SSL has not expired as well.

Also, please note that you cannot secure a CDN’s subdomain with a CloudFlare Origin CA certificate or with a custom wildcard SSL certificate that you are already using elsewhere in your account. In these cases, add a new custom certificate during the custom subdomain set up for your CDN.

https://docs.digitalocean.com/products/spaces/how-to/customize-cdn-endpoint/

Regards