HTTP 203 Non-Authoritative Information vs 401 Unauthorized
HTTP 203 (Non-Authoritative Information) is a 2xx Success response, while 401 (Unauthorized) is a 4xx Client Error response. 203 indicates that the response payload has been modified by a transforming proxy from the origin server's 200 response. In contrast, 401 means that the request requires user authentication. The response includes a WWW-Authenticate header indicating the authentication scheme.
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
The request requires user authentication. The response includes a WWW-Authenticate header indicating the authentication scheme.
何时出现
When accessing a protected resource without credentials or with expired tokens.
如何修复
Include valid authentication credentials (API key, Bearer token, Basic auth) in the Authorization header.
主要区别
203 is a 2xx Success response, while 401 is a 4xx Client Error response.
HTTP 203: The response payload has been modified by a transforming proxy from the origin server's 200 response.
HTTP 401: The request requires user authentication. The response includes a WWW-Authenticate header indicating the authentication scheme.
You encounter 203 when when a proxy or CDN modifies the response body (e.g., adds headers, transforms content).
You encounter 401 when when accessing a protected resource without credentials or with expired tokens.
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 401 (Unauthorized): Include valid authentication credentials (API key, Bearer token, Basic auth) in the Authorization header.