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                                              Hypertext Transfer Protocol (HTTP) Upgrade Token Registry

Last Updated
        2023-10-20

Available Formats
        [IMG]
        XML [IMG]
        HTML [IMG]
        TXT

Registry Included Below

  • HTTP Upgrade Tokens

HTTP Upgrade Tokens

Registration Procedure(s)

             First Come First Served


Reference
        [RFC 9110, Section 16.7]

Note

 Please see [RFC 9110, Section 16.7] for details regarding token registrations.


Available Formats
        [IMG]
        CSV

   Value                           Description                           Expected Version Tokens           Reference
HTTP        Hypertext Transfer Protocol                               any DIGIT.DIGIT (e.g., "2.0") [RFC 9110, Section 2.5]
TLS         Transport Layer Security                                  ANY DIGIT.DIGIT (e.g., "1.2") [RFC 2817]
WebSocket   The Web Socket Protocol                                                                 [RFC 6455]
websocket   The Web Socket Protocol                                                                 [RFC 6455]; [RFC 8441]
h2c         Hypertext Transfer Protocol version 2 (HTTP/2) (OBSOLETE)                               [RFC 9113, Section 3.1]
connect-udp Proxying of UDP Payloads                                                                [RFC 9298]
connect-ip  Proxying of IP Payloads                                                                 [RFC 9484]

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