通用首部
- Connection
- Date
- MIME-Version
- Trailer
- Transfer-Encoding
- Update
- Via
缓存
请求首部
- Client-IP
- From
- Host
- Referer
- UA-Color
- UA-CPU
- UA-Disp
- UA-OS
- UA-Pixes
- User-Agent
内容协商 (Accept)
- Accept
- Accept-Charset
- Accept-Encoding
- Accept-Language
- TE
条件请求 (If)
- Expect
- If-Match
- If-Modified-Since
- If-None-Match
- If-Range
- If-Unmodified-Since
- Range
安全 (Security)
- Authorization
- Cookie
- Cookie2
代理 (Proxy)
- Max-Forward
- Proxy-Authorization
- Proxy-Connection
响应首部
- Age
- Public
- Retry-After
- Server
- Title
- Warning
内容协商
安全
- Proxy-Authenticate
- Set-Cookie
- Set-Cookie2
- WWW-Authenticate
实体首部
- Allow
- Location
- Content-Base
- Content-Encoding
- Content-Language
- Content-Length
- Content-Location
- Content-MD5
- Content-Range
- Content-Type
缓存
- Etag
- Expires
- Last-Modified