HTTP 200 OK vs 523 Origin Is Unreachable
HTTP 200 (OK) is a 2xx Success response, while 523 (Origin Is Unreachable) is a 5xx Server Error response. 200 indicates that the request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only. In contrast, 523 means that cloudflare-specific. Cloudflare could not reach the origin server (DNS resolution failed or no route).
描述
The request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only.
何时出现
The most common HTTP response — indicates the request was processed successfully.
如何修复
No fix needed. The request succeeded as expected.
描述
Cloudflare-specific. Cloudflare could not reach the origin server (DNS resolution failed or no route).
何时出现
When Cloudflare's DNS for the origin fails to resolve.
如何修复
Verify DNS records in Cloudflare dashboard. Check origin server's IP address.
主要区别
200 is a 2xx Success response, while 523 is a 5xx Server Error response.
HTTP 200: The request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only.
HTTP 523: Cloudflare-specific. Cloudflare could not reach the origin server (DNS resolution failed or no route).
You encounter 200 when the most common HTTP response — indicates the request was processed successfully.
You encounter 523 when when Cloudflare's DNS for the origin fails to resolve.
何时使用哪个
For 200 (OK): No fix needed. The request succeeded as expected. For 523 (Origin Is Unreachable): Verify DNS records in Cloudflare dashboard. Check origin server's IP address.