1.1　HTTP——因特网的多媒体信使 ...............................................................................................4
1.2　Web 客户端和服务器 .................................................................................................................4
1.3　资源 ............................................................................................................................................5
1.3.1　媒体类型 ........................................................................................................................6
1.3.2　URI.................................................................................................................................7
1.3.3　URL ...............................................................................................................................7
1.3.4　URN ...............................................................................................................................8
1.4　事务 ............................................................................................................................................9
1.4.1　方法 ...............................................................................................................................9
1.4.2　状态码 ..........................................................................................................................10
1.4.3　Web 页面中可以包含多个对象 ..................................................................................10
1.5　报文 ..........................................................................................................................................11
1.6　连接 ..........................................................................................................................................13
1.6.1　TCP/IP ..........................................................................................................................13
1.6.2　连接、IP 地址及端口号 ..............................................................................................14
1.6.3　使用Telnet 实例 ..........................................................................................................16
1.7　协议版本 ..................................................................................................................................18
1.8　Web 的结构组件 .......................................................................................................................19
1.8.1　代理 ..............................................................................................................................19
1.8.2　缓存 ..............................................................................................................................20
1.8.3　网关 ..............................................................................................................................20
1.8.4　隧道 ..............................................................................................................................21
1.8.5　Agent 代理 ....................................................................................................................21
1.9　起始部分的结束语 ...................................................................................................................22
1.10　更多信息 ................................................................................................................................22
1.10.1　HTTP 协议信息 ........................................................................................................22
1.10.2　历史透视 ...................................................................................................................23
1.10.3　其他万维网信息 .......................................................................................................23

【HTTP权威指南】第1 章　HTTP 概述