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Automated Certificate Management Environment (ACME) Extensions for ".onion" Domain Names

Document Type Replaced Internet-Draft (individual)
Expired & archived
Author Q Misell
Last updated 2023-05-29 (Latest revision 2023-04-20)
Replaced by draft-ietf-acme-onion
RFC stream (None)
Intended RFC status (None)
Additional resources GitHub Repository
Certbot plugin
Project webpage
Reference ACME CA
Rust CA implementation
Rust Tor library
Tor fork with CAA
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Replaced by draft-ietf-acme-onion
Telechat date (None)
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


The documents defines extensions to the Automated Certificate Management Environment (ACME) to allow for the automatic issuance of certificates to Tor hidden services (".onion" domains). Discussion This note is to be removed before publishing as an RFC. Source for this draft and an issue tracker can be found at The project website and a reference implementation can be found at


Q Misell

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)