--- author: canory date: 2025-11-20T16:01:02Z tags: [feeds] feed: description: "Recently published RFCs" domain: "www.rfc-editor.org" enclosure: "" favicon: "/data/media/favicon.httpswwwrfc-editororgrfcrssxml.png" home: "" link: "https://www.rfc-editor.org/info/rfc9891" name: "Recent RFCs" source: "https://www.rfc-editor.org/rfcrss.xml" --- This document specifies an extension to the Automated Certificate Management Environment (ACME) protocol that allows an ACME server to