RFC 8399 · PROPOSED STANDARD · 2018

Internationalization Updates to RFC 5280

Overview

RFC 8399, “Internationalization Updates to RFC 5280”, is a Proposed Standard document published in May 2018 by R. Housley. It updates RFC 5280. It has been obsoleted by RFC 9549 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.

Abstract

The updates to RFC 5280 described in this document provide alignment with the 2008 specification for Internationalized Domain Names (IDNs) and add support for internationalized email addresses in X.509 certificates.

Abstract as published in the RFC, via rfc-editor.org.

What “Proposed Standard” means

An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.

Read this RFC

The canonical text of RFC 8399 is hosted at rfc-editor.org. Available in TXT,HTML.

Relationships to other RFCs
Obsoleted by
RFC 9549
This RFC updates
RFC 5280
Other RFCs from 2018

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