We use client certificate to allow or disallow access to our site since the site is meant to be used by a small group of users who are provided a Cloudflare client certificate.
The same certificate works on desktop browsers but some ios devices (iphone) are unable to use the certificate citing the error “The authenticity of “Cloudflare” cannot be verified”.
This error comes when installing the profile. And of course the browser cannot access the site since there is no exchange of client certificate during the handshake.
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Exactly the same. 
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