HTTP registry: TLS

Transport Layer Security

Upgrade values negotiate an alternate protocol or capability at a defined HTTP boundary. TLS is registered in HTTP Upgrade Tokens. Defining reference: rfc2817.

httpregistryhttp-upgrade-tokenshttp-upgrade-tokens-1

Identifier (http)

TLS

Transport Layer Security

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: rfc2817

Sources

HTTP Upgrade Tokens
rfc2817