已废弃
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

这个已经被废弃的 Cookie2 请求首部曾经被用来告知浏览器该用户代理支持“新型” cookies,但是现代的用户代理一般使用 Cookie 来替代 Cookie2

Header type Request header
Forbidden header name yes

示例

Cookie2: $Version="1"

规范

Specification Title
RFC 2965: Cookie2 Historic specification of HTTP State Management Mechanism, obsoleted by RFC 6265

浏览器兼容性

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic support
Deprecated
Chrome No support NoEdge No support NoFirefox No support NoIE No support NoOpera No support NoSafari No support NoWebView Android No support NoChrome Android No support NoEdge Mobile No support NoFirefox Android No support NoOpera Android No support NoSafari iOS No support NoSamsung Internet Android No support No

Legend

No support  
No support
Deprecated. Not for use in new websites.
Deprecated. Not for use in new websites.

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