Error 521 -- Cloudflare hosted website not opening

Answer these questions to help the Community help you get started.

my website is cdrstudio .com

Yes. On previous community topics.

When you tested your domain, what were the results? Web-hosting error. Linode is working.

Describe the issue you are having: My website doesn’t open!

What error message or number are you receiving?

What steps have you taken to resolve the issue?

  1. Reaching out to the community!

Was the site working with SSL prior to adding it to Cloudflare? Yes.

What are the steps to reproduce the error:

Have you tried from another browser and/or incognito mode? Yes. Not working.

The error you’re seeing indicates that your web server is refusing connections from Cloudflare. It could be that your server isn’t listening on port 443, or that you have firewall settings that block the incoming connections, or several other things. It seems most likely that your server isn’t listening for HTTPS requests on port 443. Does the site work over HTTPS if you pause Cloudflare or disable the proxy on the DNS entry?

There are troubleshooting steps here:

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