RFC 9209: The Proxy-Status HTTP Response Header Field

This document defines the Proxy-Status HTTP response field to convey the details of an intermediary's response handling, including generated errors.

Read RFC 9209 on the RFC Editor

Outgoing relationships (9 related RFCs)

Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 8174: Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words
Normative reference — RFC 8126: Guidelines for Writing an IANA Considerations Section in RFCs
Normative reference — RFC 8446: The Transport Layer Security (TLS) Protocol Version 1.3
Normative reference — RFC 7301: Transport Layer Security (TLS) Application-Layer Protocol Negotiation Extension
Normative reference — RFC 8499: DNS Terminology
Normative reference — RFC 8941: Structured Field Values for HTTP
Normative reference — RFC 8914: Extended DNS Errors
Informative reference — RFC 8586: Loop Detection in Content Delivery Networks (CDNs)

Incoming relationships (4 related RFCs)

Normatively referenced by — RFC 9298: Proxying UDP in HTTP
Normatively referenced by — RFC 9230: Oblivious DNS over HTTPS
Normatively referenced by — RFC 9484: Proxying IP in HTTP
Normatively referenced by — RFC 9532: HTTP Proxy-Status Parameter for Next-Hop Aliases