HTTP

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).

Descrição

The request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only.

Quando você o vê

The most common HTTP response — indicates the request was processed successfully.

Como corrigir

No fix needed. The request succeeded as expected.

Descrição

Cloudflare-specific. Cloudflare could not reach the origin server (DNS resolution failed or no route).

Quando você o vê

When Cloudflare's DNS for the origin fails to resolve.

Como corrigir

Verify DNS records in Cloudflare dashboard. Check origin server's IP address.

Diferenças principais

1.

200 is a 2xx Success response, while 523 is a 5xx Server Error response.

2.

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.

3.

HTTP 523: Cloudflare-specific. Cloudflare could not reach the origin server (DNS resolution failed or no route).

4.

You encounter 200 when the most common HTTP response — indicates the request was processed successfully.

5.

You encounter 523 when when Cloudflare's DNS for the origin fails to resolve.

Quando usar qual

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.

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