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Status:

PROPOSED STANDARD

Obsoletes:

RFC 8399

Updates:

RFC 5280

Author:

R. Housley

Stream:

IETF

Source:

lamps (sec)

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DOI:  https://doi.org/10.17487/RFC9549

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Abstract

The updates to RFC 5280 described in this document provide alignmentwith the 2008 specification for Internationalized Domain Names (IDNs)and includes support for internationalized email addresses in X.509certificates. The updates ensure that name constraints for emailaddresses that contain only ASCII characters and internationalizedemail addresses are handled in the same manner. This documentobsoletes RFC 8399.

For the definition ofStatus,seeRFC 2026.

For the definition ofStream, seeRFC 8729.