HTTP参考手册

标题 | Headers

From请求头中包含的 Internet 电子邮件地址谁控制了请求的用户代理的人类用户。

如果您正在运行机器人用户代理（例如搜寻器），From则应发送标题，以便在服务器出现问题（例如机器人发送过多，不需要或无效的请求）时联系您。

您不应该使用From标题进行访问控制或身份验证。

Header type	Request header
Forbidden header name	no

From: <email>

<email> 机器可用的电子邮件地址。

From: webmaster@example.org

Specification	Title
RFC 7231, section 5.5.1: From	Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content

Feature	Chrome	Firefox	Edge	Internet Explorer	Opera	Safari
Basic Support	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)

Feature	Android	Chrome for Android	Edge mobile	Firefox for Android	IE mobile	Opera Android	iOS Safari
Basic Support	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)

1.Accept
2.Accept-Charset
3.Accept-Encoding
4.Accept-Language
5.Accept-Ranges
6.Access-Control-Allow-Credentials
7.Access-Control-Allow-Headers
8.Access-Control-Allow-Methods
9.Access-Control-Allow-Origin
10.Access-Control-Expose-Headers
11.Access-Control-Max-Age
12.Access-Control-Request-Headers
13.Access-Control-Request-Method
14.Age
15.Allow
16.Authorization
17.Cache-Control
18.Connection
19.Content-Disposition
20.Content-Encoding
21.Content-Language
22.Content-Length
23.Content-Location
24.Content-Range
25.Content-Type
26.Cookie
27.Cookie2
28.Date
29.DNT
30.ETag
31.Expect
32.Expires
33.Forwarded
34.Headers
35.Host
36.If-Match
37.If-Modified-Since
38.If-None-Match
39.If-Range
40.If-Unmodified-Since
41.Keep-Alive
42.Large-Allocation
43.Last-Modified
44.Location
45.Origin
46.Pragma
47.Proxy-Authenticate
48.Proxy-Authorization
49.Public-Key-Pins
50.Public-Key-Pins-Report-Only
51.Range
52.Referer
53.Referrer-Policy
54.Retry-After
55.Server
56.Set-Cookie
57.Set-Cookie2
58.SourceMap
59.Strict-Transport-Security
60.TE
61.Tk
62.Trailer
63.Transfer-Encoding
64.Upgrade-Insecure-Requests
65.User-Agent
66.User-Agent: Firefox
67.Vary
68.Via
69.Warning
70.WWW-Authenticate
71.X-Content-Type-Options
72.X-DNS-Prefetch-Control
73.X-Forwarded-For
74.X-Forwarded-Host
75.X-Forwarded-Proto
76.X-Frame-Options
77.X-XSS-Protection

HTTP

超文本传输协议（ HTTP，HyperText Transfer Protocol ) 是互联网上应用最为广泛的一种网络协议。所有的 WWW 文件都必须遵守这个标准。

1.指南 \| Guides
2.指南：基础 \| Guides: Basics
3.CSP
4.标题 \| Headers
5.方法 \| Methods
6.RFC 2616: HTTP/1.1
7.RFC 4918: WebDAV
8.RFC 5023: The Atom Publishing Protocol
9.RFC 7230: Message Syntax and Routing
10.RFC 7231: Semantics and Content
11.RFC 7232: Conditional Requests
12.RFC 7233: Range Requests
13.RFC 7234: Caching
14.RFC 7235: Authentication
15.状态 \| Status
16.HTTP 请求方法
17.HTTP状态码
18.HTTP 响应头信息
19.HTTP 教程