Cloudflare activated but site still displays Let's encrypt

Hello! This is about the site {redacted}

My domain is pointing to cloudflare, orange cloud enabled. Flexible ssl mode, and despite that, it still displays Let’s encrypt and not cloudflare. Even after 24 hours of waiting.

I also tried the Strict mode by adding the cloudflare certificate on my server, but same result.

Any idea ?

:scream:

That’s never good.

That’s much better, but please use Full (Strict). Cloudflare uses Let’s Encrypt at the edge as well as their own Cloudflare/DigiCert certs. Your browser’s Dev Tools (F12 in Chrome) will show you in the Network tab if a request is using Cloudflare (Click on a file after your site loads and look at the Response Headers).

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Ok it’s done, I just switched to Strict mode. But I had already done this test and I think it didn’t change anything, I still have Let’s encrypt at the certificate level.

I also enabled “Authenticated extractions from the origin server” which should normally display an error on the site if I haven’t set up the server side certificate. Even though I didn’t install the certificate, the error doesn’t appear.

Really strange, maybe I should wait another 24 hours and see if there is a change?

No, it’s the other way around. Cloudlfare can send a cert to anybody. But if your server isn’t set up to require certs, it won’t care of the request includes one or not.

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Thank you very much, it’s clearer to me now.

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