HTTP registry: @scheme
The URI scheme of the request URI
HTTP parameter values extend negotiation, framing, preferences, range handling, or other protocol components. The registry marks this value active; review compatibility before deploying it. @scheme is active in HTTP Signature Derived Component Names. Defining reference: RFC 9421, Section 2.2.4.
Identifier (http)
@scheme
The URI scheme of the request URI
Interpret parameters only in the context that defines them; unknown parameters must not silently change security or framing behavior. The registry marks this value active; review compatibility before deploying it.
This registry value is currently marked active by IANA. Follow the defining specification before sending, accepting, or proxying it.
IANA registry: http-message-signature/signature-derived-component-names
Registry reference: RFC 9421, Section 2.2.4