HTTP 205 Reset Content vs 526 Invalid SSL Certificate
HTTP 205 (Reset Content) is a 2xx Success response, while 526 (Invalid SSL Certificate) is a 5xx Server Error response. 205 indicates that the server fulfilled the request and the client should reset the document view (e.g., clear a form). In contrast, 526 means that cloudflare-specific. The origin's SSL certificate could not be validated.
Description
The server fulfilled the request and the client should reset the document view (e.g., clear a form).
When You See It
After form submissions where the server wants the client to reset the form for new input.
How to Fix
The client should clear the form or reset the view. Rarely used in practice.
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
205 is a 2xx Success response, while 526 is a 5xx Server Error response.
HTTP 205: The server fulfilled the request and the client should reset the document view (e.g., clear a form).
HTTP 526: Cloudflare-specific. The origin's SSL certificate could not be validated.
You encounter 205 when after form submissions where the server wants the client to reset the form for new input.
You encounter 526 when when using Cloudflare Full (Strict) mode with an invalid origin certificate.
When to Use Which
For 205 (Reset Content): The client should clear the form or reset the view. Rarely used in practice. For 526 (Invalid SSL Certificate): Install a valid SSL certificate on the origin, or use Cloudflare Origin CA certificate.