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

Proxy-Authorization

Carries credentials for a proxy.

Keep proxy credentials scoped to the proxy hop and prevent them from being forwarded to an origin server.

httpheaderauthproxy

Reference (http)

Proxy-Authorization: Basic <credentials>

Keep proxy credentials scoped to the proxy hop and prevent them from being forwarded to an origin server.

Common mistakes

  • Forwarding proxy credentials beyond the proxy that requested them.

IANA registry: http-fields/field-names

Registry reference: RFC 9110, Section 11.7.2: HTTP Semantics

Sources

Permalink: https://merginit.com/reference/http/field-proxy-authorization