HTTP 208 Already Reported vs 526 Invalid SSL Certificate
HTTP 208 (Already Reported) is a 2xx Success response, while 526 (Invalid SSL Certificate) is a 5xx Server Error response. 208 indicates that used inside a DAV: propstat response element to avoid enumerating internal members of multiple bindings to the same collection repeatedly. In contrast, 526 means that cloudflare-specific. The origin's SSL certificate could not be validated.
Description
Used inside a DAV: propstat response element to avoid enumerating internal members of multiple bindings to the same collection repeatedly.
When You See It
In WebDAV responses to avoid duplicate listings.
How to Fix
No fix needed. This prevents redundant data in multi-status responses.
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
208 is a 2xx Success response, while 526 is a 5xx Server Error response.
HTTP 208: Used inside a DAV: propstat response element to avoid enumerating internal members of multiple bindings to the same collection repeatedly.
HTTP 526: Cloudflare-specific. The origin's SSL certificate could not be validated.
You encounter 208 when in WebDAV responses to avoid duplicate listings.
You encounter 526 when when using Cloudflare Full (Strict) mode with an invalid origin certificate.
When to Use Which
For 208 (Already Reported): No fix needed. This prevents redundant data in multi-status responses. For 526 (Invalid SSL Certificate): Install a valid SSL certificate on the origin, or use Cloudflare Origin CA certificate.