更新 'ppt/attack-with-defense-lesson/第一课-计算机网络基础.md'
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@ -208,11 +208,22 @@ DNS协议,解析域名
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<v-clicks>
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<v-clicks>
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接收到数据包解析,本质是文档
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接收到数据包解析,本质是文档,协议格式如下
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互联网例子:
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```
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http:// # 标识协议开始,这里是http
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http://baidu.com # baidu.com 标识主机名,这里我们访问百度的主机
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http://baidu.com/map/index.html # /map/index.html 表示文件路径
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```
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给出另一个例子,访问本机文件:
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```
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file:///Users/vaala/Workdir/Temp/html/main.html
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file:// 指file协议
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主机名为空,访问的是自己
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/Users/vaala/Workdir/Temp/html/main.html 为路径
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```
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</v-clicks>
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</v-clicks>
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