First-Party Sets and SameSite Cookies
draft-west-cookie-samesite-firstparty-01
| Document | Type | Expired Internet-Draft (individual) | |
|---|---|---|---|
| Author | Mike West | ||
| Last updated | 2019-11-18 (latest revision 2019-05-10) | ||
| Stream | (None) | ||
| Intended RFC status | (None) | ||
| Formats |
Expired & archived
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| Stream | Stream state | (No stream defined) | |
| Consensus Boilerplate | Unknown | ||
| RFC Editor Note | (None) | ||
| IESG | IESG state | Expired | |
| Telechat date | |||
| Responsible AD | (None) | ||
| Send notices to | (None) | ||
https://www.ietf.org/archive/id/draft-west-cookie-samesite-firstparty-01.txt
Abstract
This document proposes the addition of two new values to the "SameSite" cookie attribute defined in RFC6265bis [I-D.ietf-httpbis-rfc6265bis]: "FirstPartyLax" and "FirstPartyStrict". These values are conceptually similar to the existing "Lax" and "Strict" values, but base the delivery checks on the First-Party Sets [first-party-set] of a request's initiator and target, rather than on their respective registrable domains. This widens the scope of a given cookie's applicability, enabling entities that have sharded themselves across multiple registrable domains to maintain HTTP state without exposing themselves to the risks of "SameSite=None".
Authors
(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)