Hypertext Transfer Protocol (HTTP) Upgrade Token Registry
- Last Updated
- 2023-10-20
- Available Formats
-
XML
HTML
Plain text
Registry Included Below
HTTP Upgrade Tokens
- Registration Procedure(s)
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First Come First Served
- Reference
- [RFC9110, Section 16.7]
- Note
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Please see [RFC9110], Section 16.7 for details regarding token registrations. - Available Formats
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CSV
| Value | Description | Expected Version Tokens | Reference |
|---|---|---|---|
| HTTP | Hypertext Transfer Protocol | any DIGIT.DIGIT (e.g., "2.0") | [RFC9110, Section 2.5] |
| TLS | Transport Layer Security | ANY DIGIT.DIGIT (e.g., "1.2") | [RFC2817] |
| WebSocket | The Web Socket Protocol | [RFC6455] | |
| websocket | The Web Socket Protocol | [RFC6455][RFC8441] | |
| h2c | Hypertext Transfer Protocol version 2 (HTTP/2) (OBSOLETE) | [RFC9113, Section 3.1] | |
| connect-udp | Proxying of UDP Payloads | [RFC9298] | |
| connect-ip | Proxying of IP Payloads | [RFC9484] |