HTTP Header 標準定義的欄位有哪些

想找 HTTP Header 的命名規則,沒有找到規則倒是找到分類的一些不錯的資訊。

HTTP Header 標準定義的欄位有哪些

HTTP Header 有很多的欄位,在 Apache 2.3 對 HTTP Header 有做下述限制:

  • 預設 Size 限制: 8190 bytes
  • 每個 request 最多 100 個欄位

下述兩個連結,對於 HTTP header fields 整理的很完整:

HTTP 標準定義 Header 的欄位,看來名稱主要都是用 "-" 分隔,自訂的名稱多以 "X-" 開頭(註:並非一定要以 "X-" 開頭)

下述摘錄自此篇:HTTP headers - HTTP | MDN - 此篇有依照 HTTP Header 做分類

HTTP Header 欄位的分類

註:此為 2017年的定義,新版請再回網頁參考

  • Authentication
    • WWW-Authenticate
    • Authorization
    • Proxy-Authenticate
    • Proxy-Authorization
  • Caching
    • Age
    • Cache-Control
    • Expires
    • Pragma
    • Warning
  • Client hints
    • Accept-CH
    • Content-DPR
    • DPR
    • Downlink
    • Save-Data
    • Viewport-Width
    • Width
  • Conditionals
    • Last-Modified
    • ETag
    • If-Match
    • If-None-Match
    • If-Modified-Since
    • If-Unmodified-Since
  • Connection management
    • Connection
    • Keep-Alive
  • Content negotiation
    • Accept
    • Accept-Charset
    • Accept-Encoding
    • Accept-Language
  • Controls
    • Expect
    • Max-Forwards
  • Cookies
    • Cookie
    • Set-Cookie
    • Cookie2 (被 Cookie 取代,棄用)
    • Set-Cookie2 (被 Set-Cookie2 取代,棄用)
  • CORS
    • Access-Control-Allow-Origin
    • Access-Control-Allow-Credentials
    • Access-Control-Allow-Headers
    • Access-Control-Allow-Methods
    • Access-Control-Expose-Headers
    • Access-Control-Max-Age
    • Access-Control-Request-Headers
    • Access-Control-Request-Method
    • Origin
  • Do Not Track
    • DNT
    • Tk
  • Downloads
    • Content-Disposition
  • Message body information
    • Content-Length
    • Content-Type
    • Content-Encoding
    • Content-Language
    • Content-Location
  • Proxies
    • Forwarded
    • X-Forwarded-For
    • X-Forwarded-Host
    • X-Forwarded-Proto
    • Via
  • Redirects
    Location
  • Request context
    • From
    • Host
    • Referer
    • Referrer-Policy
    • User-Agent
  • Response context
    • Allow
    • Server
  • Range requests
    • Accept-Ranges
    • Range
    • If-Range
    • Content-Range
  • Security
    • Content-Security-Policy (CSP)
    • Content-Security-Policy-Report-Only
    • Public-Key-Pins (HPKP)
    • Public-Key-Pins-Report-Only
    • Strict-Transport-Security (HSTS)
    • Upgrade-Insecure-Requests
    • X-Content-Type-Options
    • X-Frame-Options (XFO)
    • X-XSS-Protection
  • Server-sent events
    • Ping-From
    • Ping-To
    • Last-Event-ID
  • Transfer coding
    • Transfer-Encoding
    • TE
    • Trailer
  • WebSockets
    • Sec-WebSocket-Key
    • Sec-WebSocket-Extensions
    • Sec-WebSocket-Accept
    • Sec-WebSocket-Protocol
    • Sec-WebSocket-Version Other
    • Date
    • Large-Allocation
    • Link
    • Retry-After
    • SourceMap
    • Upgrade
    • Vary
    • X-DNS-Prefetch-Control
    • X-Firefox-Spdy
    • X-Requested-With
    • X-UA-Compatible

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