HTTP

HTTP 203 Non-Authoritative Information vs 522 Connection Timed Out

HTTP 203 (Non-Authoritative Information) is a 2xx Success response, while 522 (Connection Timed Out) is a 5xx Server Error response. 203 indicates that the response payload has been modified by a transforming proxy from the origin server's 200 response. In contrast, 522 means that cloudflare-specific. TCP connection to the origin server timed out.

描述

The response payload has been modified by a transforming proxy from the origin server's 200 response.

何时出现

When a proxy or CDN modifies the response body (e.g., adds headers, transforms content).

如何修复

Check if a proxy is modifying the response. Access the origin directly if you need the original content.

描述

Cloudflare-specific. TCP connection to the origin server timed out.

何时出现

When the origin server is overloaded or network issues prevent connection.

如何修复

Check origin server health. Verify firewall rules. Check for network congestion.

主要区别

1.

203 is a 2xx Success response, while 522 is a 5xx Server Error response.

2.

HTTP 203: The response payload has been modified by a transforming proxy from the origin server's 200 response.

3.

HTTP 522: Cloudflare-specific. TCP connection to the origin server timed out.

4.

You encounter 203 when when a proxy or CDN modifies the response body (e.g., adds headers, transforms content).

5.

You encounter 522 when when the origin server is overloaded or network issues prevent connection.

何时使用哪个

For 203 (Non-Authoritative Information): Check if a proxy is modifying the response. Access the origin directly if you need the original content. For 522 (Connection Timed Out): Check origin server health. Verify firewall rules. Check for network congestion.

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