Obsolete
This feature is obsolete.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.
The obsolete Cookie2
HTTP request header used to advise the server that the user agent understands "new-style" cookies, but nowadays user agents will use the Cookie
header instead, not this one.
Header type | Request header |
---|---|
Forbidden header name | yes |
Examples
Cookie2: $Version="1"
Specifications
Specification | Title |
---|---|
RFC 2965: Cookie2 | Historic specification of HTTP State Management Mechanism, obsoleted by RFC 6265 |
Browser compatibility
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.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Cookie2 | Chrome No support No | Edge No support No | Firefox No support No | IE No support No | Opera No support No | Safari No support No | WebView Android No support No | Chrome Android No support No | Firefox Android No support No | Opera Android No support No | Safari iOS No support No | Samsung Internet Android No support No |
Legend
- No support
- No support
- Deprecated. Not for use in new websites.
- Deprecated. Not for use in new websites.