Ory is the largest open source community in the world for cloud software application security. We maintain advanced open source security software solving authentication, authorization, access control, application network security, and delegation. Ory implements a variety of industry and best-practice standards including OAuth 2.0 / OAuth 2.1, OpenID Connect, Zero Trust Networking, Google Zanzibar Policy Framework, FIDO2 U2F, WebAuthn, TOTP, and more.

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We've set up a custom domain on Ory, and use Cloudflare as our DNS and WAF Provider.
Is there any risk in switching the ory custom domain CNAME entry from "DNS Only" to "Proxied" on Cloudflare?
Will any acme challenge check or other verification method fail due to turning on Cloudflare?

Should work. Best try first with a staging project. 

I may have spoken too soon. Switching to `Proxied` could cause Cloudflare 1014 errors under certain circumstances.
See <https://www.ory.sh/docs/guides/custom-domains#setting-up-a-cname-record>
Sorry for the confusion.