field Obsoleted
Verified 2026-09-18 · registry updated 2026-08-28

HTTP field: HTTP2-Settings

HTTP2-Settings is a obsoleted field in the IANA HTTP Field Name Registry.

HTTP fields are message metadata; their meaning depends on direction, combination rules, and the HTTP version carrying them. The registry marks this value obsoleted; review compatibility before deploying it. Use HTTP2-Settings only according to its defining specification. Defining reference: RFC 7540, Section 3.2.1: Hypertext Transfer Protocol Version 2 (HTTP/2).

httpheaderfieldregistryobsoleted

Registry-backed field entry. The field is currently marked obsoleted by IANA. Defining reference: RFC 7540, Section 3.2.1: Hypertext Transfer Protocol Version 2 (HTTP/2).

Check whether the field is end-to-end or hop-by-hop, whether it varies a cache response, and whether it carries security-sensitive data before forwarding or logging it. The registry marks this value obsoleted; review compatibility before deploying it.

Check the linked specification for its direction, combination rules, caching behavior, and security considerations before generating or trusting it.

IANA registry: http-fields/field-names

Registry reference: RFC 7540, Section 3.2.1: Hypertext Transfer Protocol Version 2 (HTTP/2)

Permalink: https://merginit.com/reference/http/field-registry-http2-settings