RFC 9209 · PROPOSED STANDARD · 2022
SUN · 14 JUN 2026
The Proxy-Status HTTP Response Header Field
Overview
RFC 9209, “The Proxy-Status HTTP Response Header Field”, is a Proposed Standard document published in June 2022 by M. Nottingham, P. Sikora. The canonical text is published by the RFC Editor.
Abstract
This document defines the Proxy-Status HTTP response field to convey the details of an intermediary's response handling, including generated errors.
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 9209 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
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