8. IANA 考虑
以下注册项的变更控制方为: "IETF ([email protected]) - Internet Engineering Task Force".
8.1 字段名注册
IANA 已按 [HTTP] 第 18.4 节所述, 使用下表列出的字段名更新位于 ````https://www.iana.org/assignments/http-fields\```` 的 "Hypertext Transfer Protocol (HTTP) Field Name Registry":
| 字段名 (Field Name) | 状态 (Status) | 章节 (Section) | 备注 (Comments) |
|---|---|---|---|
| Age | permanent | 5.1 | |
| Cache-Control | permanent | 5.2 | |
| Expires | permanent | 5.3 | |
| Pragma | deprecated | 5.4 | |
| Warning | obsoleted | 5.5 |
8.2 缓存指令注册
IANA 已根据第 5.2.4 节的注册流程, 使用下表汇总的缓存指令名称更新位于 ````https://www.iana.org/assignments/http-cache-directives\```` 的 "Hypertext Transfer Protocol (HTTP) Cache Directive Registry".
| 缓存指令 (Cache Directive) | 章节 (Section) |
|---|---|
| max-age | 5.2.1.1, 5.2.2.1 |
| max-stale | 5.2.1.2 |
| min-fresh | 5.2.1.3 |
| must-revalidate | 5.2.2.2 |
| must-understand | 5.2.2.3 |
| no-cache | 5.2.1.4, 5.2.2.4 |
| no-store | 5.2.1.5, 5.2.2.5 |
| no-transform | 5.2.1.6, 5.2.2.6 |
| only-if-cached | 5.2.1.7 |
| private | 5.2.2.7 |
| proxy-revalidate | 5.2.2.8 |
| public | 5.2.2.9 |
| s-maxage | 5.2.2.10 |
8.3 Warn Code 注册表
IANA 已向位于 ````https://www.iana.org/assignments/http-warn-codes\```` 的 "Hypertext Transfer Protocol (HTTP) Warn Codes" 注册表添加以下注释, 以表明 "Warning" 已废弃:
根据 [RFC9111], Warning 头字段 (以及它使用的 warn code) 已由 HTTP 废弃.