| 消息头 |
描述 |
更多信息 |
标准 |
Accept |
用户代理期望的MIME 类型列表 |
HTTP Content Negotiation |
HTTP/1.1 |
Accept-CH
{{non-standard_inline}}
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列出配置数据，服务器可据此来选择适当的响应。 |
HTTP Client Hints |
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Accept-Charset |
列出用户代理支持的字符集。 |
HTTP Content Negotiation |
HTTP/1.1 |
Accept-Features |
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HTTP Content Negotiation |
RFC 2295, §8.2 |
Accept-Encoding |
列出用户代理支持的压缩方法。 |
HTTP Content Negotiation |
HTTP/1.1 |
Accept-Language |
列出用户代理期望的页面语言。 |
HTTP Content Negotiation |
HTTP/1.1 |
Accept-Ranges |
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Access-Control-Allow-Credentials |
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HTTP Access Control and Server Side Access Control{{ gecko_minversion_inline("1.9.1") }} |
W3C Cross-Origin Resource Sharing |
Access-Control-Allow-Origin |
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HTTP Access Control and Server Side Access Control{{ gecko_minversion_inline("1.9.1") }} |
W3C Cross-Origin Resource Sharing |
Access-Control-Allow-Methods |
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HTTP Access Control and Server Side Access Control{{ gecko_minversion_inline("1.9.1") }} |
W3C Cross-Origin Resource Sharing |
Access-Control-Allow-Headers |
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HTTP Access Control and Server Side Access Control{{ gecko_minversion_inline("1.9.1") }} |
W3C Cross-Origin Resource Sharing |
Access-Control-Max-Age |
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HTTP Access Control and Server Side Access Control{{ gecko_minversion_inline("1.9.1") }} |
W3C Cross-Origin Resource Sharing |
Access-Control-Expose-Headers |
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HTTP Access Control and Server Side Access Control{{ gecko_minversion_inline("2") }} |
W3C Cross-Origin Resource Sharing |
Access-Control-Request-Method |
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HTTP Access Control and Server Side Access Control{{ gecko_minversion_inline("1.9.1") }} |
W3C Cross-Origin Resource Sharing |
Access-Control-Request-Headers |
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HTTP Access Control and Server Side Access Control{{ gecko_minversion_inline("1.9.1") }} |
W3C Cross-Origin Resource Sharing |
Age |
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Allow |
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Alternates |
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HTTP Content Negotiation |
RFC 2295, §8.3 |
Authorization |
包含用服务器验证用户代理的凭证 |
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Cache-Control |
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HTTP Caching FAQ |
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Connection |
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Content-Encoding |
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Content-Language |
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Content-Length |
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Content-Location |
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Content-MD5 |
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{{ unimplemented_inline("232030") }} |
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Content-Range |
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Content-Security-Policy |
控制用户代理在一个页面上可以加载使用的资源。 |
CSP (Content Security Policy) |
W3C Content Security Policy |
Content-Type |
指示服务器文档的MIME 类型。帮助用户代理（浏览器）去处理接收到的数据。 |
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Cookie |
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RFC 2109 |
DNT |
设置该值为1， 表明用户明确退出任何形式的网上跟踪。 |
Supported by Firefox 4, Firefox 5 for mobile, IE9, and a few major companies. |
{{SpecName("Tracking")}} |
Date |
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ETag |
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HTTP Caching FAQ |
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Expect |
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Expires |
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HTTP Caching FAQ |
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From |
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Host |
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If-Match |
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If-Modified-Since |
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HTTP Caching FAQ |
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If-None-Match |
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HTTP Caching FAQ |
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If-Range |
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If-Unmodified-Since |
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Last-Event-ID |
给出服务器在先前HTTP连接上接收的最后事件的ID。用于同步文本/事件流。 |
Server-Sent Events |
Server-Sent Events spec |
Last-Modified |
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HTTP Caching FAQ |
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Link |
等同于HTML标签中的"link"，但它是在HTTP层上，给出一个与获取的资源相关的URL以及关系的种类。
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For the rel=prefetch case, see Link Prefetching FAQ
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Introduced in HTTP 1.1's RFC 2068, section 19.6.2.4, it was removed in the final HTTP 1.1 spec, then reintroduced, with some extensions, in RFC 5988
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Location |
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Max-Forwards |
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Negotiate |
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HTTP Content Negotiation |
RFC 2295, §8.4 |
Origin |
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HTTP Access Control and Server Side Access Control{{ gecko_minversion_inline("1.9.1") }} |
More recently defined in the Fetch spec (see Fetch API.) Originally defined in W3C Cross-Origin Resource Sharing |
Pragma |
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for the pragma: nocache value see HTTP Caching FAQ |
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Proxy-Authenticate |
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Proxy-Authorization |
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Range |
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Referer |
（请注意，在HTTP / 0.9规范中引入的正交错误必须在协议的后续版本中保留）
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Retry-After |
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Sec-Websocket-Extensions |
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Websockets |
Sec-Websocket-Key |
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Websockets |
Sec-Websocket-Origin |
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Websockets |
Sec-Websocket-Protocol |
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Websockets |
Sec-Websocket-Version |
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Websockets |
Server |
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Set-Cookie |
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RFC 2109 |
Set-Cookie2 |
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RFC 2965 |
Strict-Transport-Security |
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HTTP Strict Transport Security |
IETF reference |
TCN |
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HTTP Content Negotiation |
RFC 2295, §8.5 |
TE |
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Trailer |
列出将在消息正文之后在尾部块中传输的头。这允许服务器计算一些值，如Content-MD5：在传输数据时。请注意，Trailer：标头不得列出Content-Length :, Trailer：或Transfer-Encoding：headers。
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RFC 2616, §14.40 |
Transfer-Encoding |
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Upgrade |
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User-Agent |
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for Gecko's user agents see the User Agents Reference |
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Variant-Vary |
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HTTP Content Negotiation |
RFC 2295, §8.6 |
Vary |
列出了用作Web服务器选择特定内容的条件的标头。此服务器对于高效和正确缓存发送的资源很重要。
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HTTP Content Negotiation & HTTP Caching FAQ |
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Via |
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Warning |
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WWW-Authenticate |
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X-Content-Duration |
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Configuring servers for Ogg media |
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X-Content-Security-Policy |
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Using Content Security Policy |
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X-DNSPrefetch-Control |
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Controlling DNS prefetching |
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X-Frame-Options |
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The XFrame-Option Response Header |
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X-Requested-With |
通常在值为“XMLHttpRequest”时使用
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Not standard |