12. IANA Considerations
The change controller for the following registrations is: "IETF ([email protected]) - Internet Engineering Task Force".
12.1. Field Name Registration
IANA has added the following field names to the "Hypertext Transfer Protocol (HTTP) Field Name Registry" at \https://www.iana.org/assignments/http-fields\``, as described in Section 18.4 of [HTTP].
| Field Name | Status | Section | Comments |
|---|---|---|---|
| Close | permanent | 9.6 | (reserved) |
| MIME-Version | permanent | B.1 | |
| Transfer-Encoding | permanent | 6.1 |
12.2. Media Type Registration
IANA has updated the "Media Types" registry at \https://www.iana.org/assignments/media-types\`` with the registration information in Sections 10.1 and 10.2 for the media types "message/http" and "application/http", respectively.
12.3. Transfer Coding Registration
IANA has updated the "HTTP Transfer Coding Registry" at \https://www.iana.org/assignments/http-parameters/\`` with the registration procedure of Section 7.3 and the content coding names summarized in the table below.
| Name | Description | Section |
|---|---|---|
| chunked | Transfer in a series of chunks | 7.1 |
| compress | UNIX "compress" data format [Welch] | 7.2 |
| deflate | "deflate" compressed data ([RFC1951]) inside the "zlib" data format ([RFC1950]) | 7.2 |
| gzip | GZIP file format [RFC1952] | 7.2 |
| trailers | (reserved) | 12.3 |
| x-compress | Deprecated (alias for compress) | 7.2 |
| x-gzip | Deprecated (alias for gzip) | 7.2 |
Note: the coding name "trailers" is reserved because its use would conflict with the keyword "trailers" in the TE header field (Section 10.1.4 of [HTTP]).
12.4. ALPN Protocol ID Registration
IANA has updated the "TLS Application-Layer Protocol Negotiation (ALPN) Protocol IDs" registry at \https://www.iana.org/assignments/tls-extensiontype-values/\`` with the registration below:
| Protocol | Identification Sequence | Reference |
|---|---|---|
| HTTP/1.1 | 0x68 0x74 0x74 0x70 0x2f 0x31 0x2e 0x31 ("http/1.1") | RFC 9112 |