RFC 9207

OAuth 2.0 Authorization Server Issuer Identification, March 2022

File formats:

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Status:
PROPOSED STANDARD
Authors:
K. Meyer zu Selhausen
D. Fett
Stream:
IETF
Source:
oauth (sec)

Cite this RFC: TXT  |  XML

DOI:  10.17487/RFC9207

Discuss this RFC: Send questions or comments to oauth@ietf.org

Other actions: Submit Errata  |  Find IPR Disclosures from the IETF  |  View History of RFC 9207


Abstract

This document specifies a new parameter called iss. This parameter is used to explicitly include the issuer identifier of the authorization server in the authorization response of an OAuth authorization flow. The iss parameter serves as an effective countermeasure to "mix-up attacks".


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.




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