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

HTTP registry: connection_write_timeout

The intermediary was attempting to write data to a connection but was not able to (e.g., because its buffers were full).

Proxy and gateway values describe processing across trust boundaries where fields, authority, and framing may be transformed. connection_write_timeout is registered in HTTP Proxy Error Types. Defining reference: rfc9209.

httpregistryhttp-proxy-statushttp-proxy-error-types

Identifier (http)

connection_write_timeout

The intermediary was attempting to write data to a connection but was not able to (e.g., because its buffers were full).

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: rfc9209

Permalink: https://merginit.com/reference/http/registry/http-proxy-status/http-proxy-error-types/connection-write-timeout-171