topic Registered
Verified 2026-09-19 · registry updated 2023-10-20

HTTP registry: connect-udp

Proxying of UDP Payloads

Upgrade values negotiate an alternate protocol or capability at a defined HTTP boundary. connect-udp is registered in HTTP Upgrade Tokens. Defining reference: rfc9298.

httpregistryhttp-upgrade-tokenshttp-upgrade-tokens-1

Identifier (http)

connect-udp

Proxying of UDP Payloads

Validate the requested protocol and preserve authority and certificate checks.

This registry value is currently marked active by IANA. Follow the defining specification before sending, accepting, or proxying it.

IANA registry: http-upgrade-tokens/http-upgrade-tokens-1

Registry reference: rfc9298

Permalink: https://merginit.com/reference/http/registry/http-upgrade-tokens/http-upgrade-tokens-1/connect-udp-199