401 Unauthorized

状态
响应示例
规范
浏览器兼容性
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状态码 401 Unauthorized 代表客户端错误，指的是由于缺乏目标资源要求的身份验证凭证，发送的请求未得到满足。

这个状态码会与 WWW-Authenticate 首部一起发送，其中包含有如何进行验证的信息。

这个状态类似于 403，但是在该情况下，依然可以进行身份验证。

状态

401 Unauthorized

响应示例

HTTP/1.1 401 Unauthorized 
Date: Wed, 21 Oct 2015 07:28:00 GMT
WWW-Authenticate: Basic realm="Access to staging site"

规范

Specification	Title
RFC 7235, section 3.1: 401 Unauthorized	HTTP/1.1: Authentication

浏览器兼容性

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.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Edge Mobile	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`401`	ChromeFull support Yes	EdgeFull support Yes	FirefoxFull support Yes	IEFull support Yes	OperaFull support Yes	SafariFull support Yes	WebView AndroidFull support Yes	Chrome AndroidFull support Yes	Edge MobileFull support Yes	Firefox AndroidFull support Yes	Opera AndroidFull support Yes	Safari iOSFull support Yes	Samsung Internet AndroidFull support Yes