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RFC 9773: ACME Renewal Information (ARI) Extension

In plain English — editorial summary, not part of the RFC

This document specifies how an Automated Certificate Management Environment (ACME) server may provide suggestions to ACME clients as to when they should attempt to renew their certificates. This allows servers to mitigate load spikes and ensures that clients do not make false assumptions about appropriate certificate renewal periods.

Document record

Document ID
RFC9773
Published
June 2025
Authors
A. Gable
Status
PROPOSED STANDARD
Stream
IETF
Area
sec
Pages
12
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The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

Last checked against the RFC Editor index on . RFCs are never revised after publication; changes are issued as new documents.

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canonical URL: /rfc/9773-acme-renewal-information-ari-extension