The HTTP407 Proxy Authentication Requiredclient error response status code indicates that the request did not succeed because it lacks valid authentication credentials for theproxy server that sits between the client and the server with access to the requested resource.

This response is sent with aProxy-Authenticate header that contains information on how to correctly authenticate requests.The client may repeat the request with a new or replacedProxy-Authorization header field.

Status

407 Proxy Authentication Required

Examples

Proxy auth

A GET request is made toexample.com/admin:

GET /admin HTTP/1.1Host: example.com

Along the way, an intermediary lets the client know that clients must be authenticated and provides information about the authentication scheme:

HTTP/1.1 407 Proxy Authentication RequiredDate: Wed, 21 Oct 2015 07:28:00 GMTProxy-Authenticate: Basic realm="Access to internal site"

Specifications

See also

• HTTP response status codes
• HTTP authentication
• WWW-Authenticate
• Authorization
• Proxy-Authorization
• Proxy-Authenticate
• 401,403