topic Registered
Verified 2026-09-19 · registry updated
2017-04-13HTTP registry: host
Hostname verification only
Authentication registry values define how a client proves identity or possession of credentials to an origin or proxy. host is registered in HTTP Mutual Authentication Host Validation Methods. Defining reference: RFC8120, Section 7.
httpregistryhttp-authentication-control-parametersmutual-authentication-host-validation-methods
Identifier (http)
host
Hostname verification only
Use TLS, validate issuer/audience or challenge parameters, scope credentials to the correct hop, and design expiry, rotation, and replay handling explicitly.
This registry value is currently marked active by IANA. Follow the defining specification before sending, accepting, or proxying it.
IANA registry: http-authentication-control-parameters/mutual-authentication-host-validation-methods
Registry reference: RFC8120, Section 7