HTTP 203 Non-Authoritative Information vs 407 Proxy Authentication Required
HTTP 203 (Non-Authoritative Information) is a 2xx Success response, while 407 (Proxy Authentication Required) 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, 407 means that the client must first authenticate itself with the proxy.
Descripción
The response payload has been modified by a transforming proxy from the origin server's 200 response.
Cuándo lo verás
When a proxy or CDN modifies the response body (e.g., adds headers, transforms content).
Cómo solucionarlo
Check if a proxy is modifying the response. Access the origin directly if you need the original content.
Descripción
The client must first authenticate itself with the proxy.
Cuándo lo verás
When accessing the internet through a corporate proxy that requires authentication.
Cómo solucionarlo
Configure proxy credentials in your HTTP client or browser settings.
Diferencias clave
203 is a 2xx Success response, while 407 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 407: The client must first authenticate itself with the proxy.
You encounter 203 when when a proxy or CDN modifies the response body (e.g., adds headers, transforms content).
You encounter 407 when when accessing the internet through a corporate proxy that requires authentication.
Cuándo usar cada uno
For 203 (Non-Authoritative Information): Check if a proxy is modifying the response. Access the origin directly if you need the original content. For 407 (Proxy Authentication Required): Configure proxy credentials in your HTTP client or browser settings.