HTTP registry: error
The error parameter's value is a Token that is a proxy error type. When present, it indicates that the intermediary encountered an issue when obtaining this response.
Proxy and gateway values describe processing across trust boundaries where fields, authority, and framing may be transformed. error is registered in HTTP Proxy-Status Parameters. Defining reference: rfc9209.
Identifier (http)
error
The error parameter's value is a Token that is a proxy error type. When present, it indicates that the intermediary encountered an issue when obtaining this response.
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-status-parameters
Registry reference: rfc9209