HTTP参考手册

标题 | Headers

Via一般报头由代理加入，正向和反向代理，并且可以在请求头和响应标头出现。它用于跟踪消息转发，避免请求循环，并识别请求/响应链中发送者的协议功能。

Header type	General header
Forbidden header name	yes

Via: [ <protocol-name> "/" ] <protocol-version> <host> [ ":" <port> ]
or
Via: [ <protocol-name> "/" ] <protocol-version> <pseudonym>

<协议名称>可选。所使用协议的名称，如 “HTTP”。<protocol-version> 所用协议的版本，例如“1.1”。<host> 和 <port> 公共代理 URL 和端口 <pseudonym> 名称/别名的内部代理人。

Via: 1.1 vegur
Via: HTTP/1.1 GWA
Via: 1.0 fred, 1.1 p.example.net

Specification	Title
RFC 7230, section 5.7.1: Via	Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing

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.From
35.Headers
36.Host
37.If-Match
38.If-Modified-Since
39.If-None-Match
40.If-Range
41.If-Unmodified-Since
42.Keep-Alive
43.Large-Allocation
44.Last-Modified
45.Location
46.Origin
47.Pragma
48.Proxy-Authenticate
49.Proxy-Authorization
50.Public-Key-Pins
51.Public-Key-Pins-Report-Only
52.Range
53.Referer
54.Referrer-Policy
55.Retry-After
56.Server
57.Set-Cookie
58.Set-Cookie2
59.SourceMap
60.Strict-Transport-Security
61.TE
62.Tk
63.Trailer
64.Transfer-Encoding
65.Upgrade-Insecure-Requests
66.User-Agent
67.User-Agent: Firefox
68.Vary
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