Invalid SSL certificate Error code 526 Cloudflare suddenly came

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June 10, 2024 at 2:42 pm #25217

Melissa
Guest

anyone ever had this suddenly show?

I checked the folders and certs in /etc/letsencrypt/ and also the logs, no errors or anything but suddenly my website will not load and Cloudflare had this error on on pages

June 10, 2024 at 2:43 pm #25218

Patricia
Guest

Invalid SSL certificate Error code 526

June 10, 2024 at 2:46 pm #25219

Nicholas
Guest

no solution….

https://community.cloudflare.com/t/error-526-invalid-ssl-certificate-letsencrypt/487384

https://community.cloudflare.com/t/invalid-ssl-certificate-error-code-526/471136

June 10, 2024 at 2:53 pm #25220

Shirley
Guest

Brand new ss installation or how many days/weeks/months was it online???

June 10, 2024 at 2:59 pm #25221

Charlotte
Guest

> how many days/weeks/months was it online

maybe 4 months ago installed on Ubuntu 22.04…

June 11, 2024 at 11:37 am #25223

George
Guest

The common solution for 99% of these cases is do not use Full SSL (Strict) in Cloudflare and change it back to just Full SSL.

I have seen this happen on multiple sites. I don’t know why exactly. But this always fixes it, not sure if Certbot problem or what because the certs do exist in the proper location that is specified in the Nginx server blocks….

June 11, 2024 at 11:39 am #25224

Jordan
Guest

Better thread:

https://community.cloudflare.com/t/ssl-error-526-out-of-a-sudden-lets-encrypt-cert-still-valid-for-59-days-and-no-changes/433395

June 13, 2024 at 8:58 am #25265

Jack
Guest

yeh not sure Full Strict is a good idea for most peeps
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