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 proxy server that is between the browser and the server that can access the requested resource.
This status is sent with a 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
| Specification | Title |
|---|---|
| RFC 7235, section 3.2: 407 Proxy Authentication Required | HTTP/1.1: Authentication |
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | Yes | Yes | Yes | Yes | Yes | Yes |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
|---|---|---|---|---|---|---|---|
| Basic support | Yes | Yes | Yes | Yes | Yes | Yes | Yes |