index.md

---

title: 407 Proxy Authentication Required
slug: Web/HTTP/Status/407
browser-compat: http.status.407

---

{{HTTPSidebar}}

The HTTP 407 Proxy Authentication Required client error status response code indicates that the request has not been applied because it lacks valid authentication credentials for a {{Glossary("proxy server")}} that is between the browser and the server that can access the requested resource.

This status is sent with a {{HTTPHeader("Proxy-Authenticate")}} header that contains information on how to authorize correctly.

Status

407 Proxy Authentication Required

Example response

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

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

• HTTP authentication

• {{HTTPHeader("WWW-Authenticate")}}

• {{HTTPHeader("Authorization")}}

• {{HTTPHeader("Proxy-Authorization")}}

• {{HTTPHeader("Proxy-Authenticate")}}

• {{HTTPStatus("401")}}, {{HTTPStatus("403")}}