Unable to connect Cloudflare DNS to Firebase Hosting

I have tried connecting my Cloudflare DNS to Firebase Hosting multiple times and keep getting the same error: One or more of Hosting’s HTTP GET request for the ACME challenge failed: 2606:4700:3031::ac43:93dc: Too many redirects, 2606:4700:3032::6815:39ab: Too many redirects

Hey there, generally speaking when you do see this error it is due to a HTTP to HTTPs loop.

To help fix this you may wish to try the following:

  1. Go to your Cloudflare dashboard
  2. Navigate to the SSL/TLS overview
  3. Try changing the SSL option in the SSL/TLS settings is set to “Full”

You can also view more on this error here: ERR_TOO_MANY_REDIRECTS · Cloudflare SSL/TLS docs

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