🟧 Cloudflare errors

Cloudflare 5xx errors (520–526) between the edge and your origin server.

CodeErrorWhat it means
520 Cloudflare Error 520: Web Server Returned an Unknown Error Cloudflare connected to your origin, but the origin returned an empty, unknown or invalid response.
522 Cloudflare Error 522: Connection Timed Out Cloudflare’s TCP connection to your origin timed out — the origin didn’t answer at all.
1020 Cloudflare Error 1020: Access Denied A Cloudflare firewall/WAF custom rule blocked the request — the visitor’s IP, country, user agent or request…
521 Cloudflare Error 521: Web Server Is Down Cloudflare couldn’t connect to your origin — the connection was refused.
524 Cloudflare Error 524: A Timeout Occurred Cloudflare connected to the origin, but the origin didn’t send an HTTP response within 100 seconds.
525 Cloudflare Error 525: SSL Handshake Failed Cloudflare couldn’t complete a TLS handshake with your origin (SSL mode Full / Full strict).
526 Cloudflare Error 526: Invalid SSL Certificate With SSL mode Full (strict), the origin’s certificate is expired, self-signed, or doesn’t match the hostname.