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HTTP WWW-Authenticate响应标头定义了应该用来访问资源的认证方法。

所述WWW-Authenticate报头与一个一起发送401 Unauthorized响应。

Header type	Response header
Forbidden header name	no

句法

WWW-Authenticate: <type> realm=<realm>

指令

<type> 认证类型。常见的类型是“基本”。IANA 维护认证方案列表 .realm = <realm> 保护区的描述。如果未指定领域，则客户端通常会显示格式化的主机名。

例子

通常，服务器响应包含一个如下所示的WWW-Authenticate标头：

WWW-Authenticate: Basic

WWW-Authenticate: Basic realm="Access to the staging site"

有关如何配置 Apache 或 nginx 服务器以使用 HTTP 基本身份验证为您的站点密码保护的示例，另请参阅 HTTP 身份验证。

产品规格

Specification	Title
RFC 7235, section 4.1: WWW-Authenticate	HTTP/1.1: Authentication
RFC 7617	The 'Basic' HTTP Authentication Scheme

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