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| Info |
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| As long as the .well-known usage in FedCM is at the same origin as the IdP and is not required to be at the effective TLD+1 site level, REFEDS Browser Changes working group raises no objection. 2023 July 20 |
Background
Definition of .well-known
https://datatracker.ietf.org/doc/rfc8615/
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..., user agents group URIs together into protection domains called "origins". Roughly speaking, two URIs are part of the same origin (i.e., represent the same principal) if they have the same scheme, host, and port. (See Section 4 for full details.)
Role of .well-known in flow
Per the FedCM spec as of 2023-07-10
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