topic Registered
Verified 2026-09-19 · registry updated 2026-08-21

HTTP registry: incremental_refused

The HTTP message contained the Incremental HTTP header field, but the intermediary refused to forward the message incrementally.

Proxy and gateway values describe processing across trust boundaries where fields, authority, and framing may be transformed. incremental_refused is registered in HTTP Proxy Error Types. Defining reference: rfc10036.

httpregistryhttp-proxy-statushttp-proxy-error-types

Identifier (http)

incremental_refused

The HTTP message contained the Incremental HTTP header field, but the intermediary refused to forward the message incrementally.

Strip hop-by-hop data, normalize framing, trust forwarded metadata only from configured proxies, and avoid exposing topology or credentials.

This registry value is currently marked active by IANA. Follow the defining specification before sending, accepting, or proxying it.

IANA registry: http-proxy-status/http-proxy-error-types

Registry reference: rfc10036

Permalink: https://merginit.com/reference/http/registry/http-proxy-status/http-proxy-error-types/incremental-refused-193