Upgrade-Insecure-Requests
HTTP Upgrade-Insecure-Requests请求头向服务器发送一个信号，表示客户对加密和认证响应的偏好，并且它可以成功处理upgrade-insecure-requests CSP 指令。
Header type | Request header |
|---|---|
Forbidden header name | no |
句法
Upgrade-Insecure-Requests: 1例子
客户端向服务器请求它支持以下升级机制的信号upgrade-insecure-requests：
GET / HTTP/1.1
Host: example.com
Upgrade-Insecure-Requests: 1服务器现在可以重定向到该网站的安全版本。一个Vary可以使用的头，这样的网站不会被缓存投放到不支持升级机制的客户。
Location: https://example.com/
Vary: Upgrade-Insecure-Requests产品规格
Specification | Status | Comment |
|---|---|---|
Upgrade Insecure RequestsThe definition of 'upgrade-insecure-requests' in that specification. | Candidate Recommendation | Initial definition. |
浏览器兼容性
Feature | Chrome | Firefox | Edge | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
Basic Support | 44 | 48.0 | (No)1 | (No) | 31 | ? |
Feature | Android | Chrome for Android | Edge mobile | Firefox for Android | IE mobile | Opera Android | iOS Safari |
|---|---|---|---|---|---|---|---|
Basic Support | ? | 44 | (No) | 48.0 | ? | 31 | ? |
- Under consideration 即将发布
Content-Security-Policy
- CSP
upgrade-insecure-requests
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