HTTP 508 Loop Detected vs 526 Invalid SSL Certificate
Both HTTP 508 (Loop Detected) and 526 (Invalid SSL Certificate) belong to the 5xx Server Error category. 508 indicates that the server detected an infinite loop while processing the request (WebDAV). Meanwhile, 526 means that cloudflare-specific. The origin's SSL certificate could not be validated.
Description
The server detected an infinite loop while processing the request (WebDAV).
When You See It
When WebDAV encounters circular references in bindings.
How to Fix
Fix the circular reference in the WebDAV configuration.
Description
Cloudflare-specific. The origin's SSL certificate could not be validated.
When You See It
When using Cloudflare Full (Strict) mode with an invalid origin certificate.
How to Fix
Install a valid SSL certificate on the origin, or use Cloudflare Origin CA certificate.
Key Differences
HTTP 508: The server detected an infinite loop while processing the request (WebDAV).
HTTP 526: Cloudflare-specific. The origin's SSL certificate could not be validated.
You encounter 508 when when WebDAV encounters circular references in bindings.
You encounter 526 when when using Cloudflare Full (Strict) mode with an invalid origin certificate.
When to Use Which
For 508 (Loop Detected): Fix the circular reference in the WebDAV configuration. For 526 (Invalid SSL Certificate): Install a valid SSL certificate on the origin, or use Cloudflare Origin CA certificate.