If a user is not authenticated when trying to access this resource, the user will receive a 401 status code and the application can provide a special error handler to deal with that condition.
如果用户在尝试访问这个资源时还没有经过身份验证，那么用户会收到401状态码，应用程序可以提供一个特殊的错误处理函数来处理这种情况。
Accessing protected objects from an unauthenticated client or an account with lower privileges than required will return a login prompt or "HTTP 401" error, respectively.
从一个未经身份验证的客户机或权限低于所要求权限的帐户试图访问受保护的对象将会分别导致一个登录提示或“HTTP 401 ”错误。
If a user does not have access to a Web service, he receives a 401 access Denied error.
如果用户无权访问一个Web服务，那么他会接收到一个401AccessDenied错误。
If a user does not have access to a Web service, he receives a 401 access Denied error.
如果用户无权访问一个Web服务，那么他会接收到一个401AccessDenied错误。
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