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更新 'ppt/attack-with-defense-lesson/第一课-计算机网络基础.md'

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VaalaCat 2023-04-21 11:19:29 +08:00
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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
<v-clicks>
接收到数据包解析，本质是文档
接收到数据包解析，本质是文档，协议格式如下
![](https://docs.vaala.cloud/uploads/upload_fde5a7678d3286a7790a926e51632ec7.png)
![](https://docs.vaala.cloud/uploads/upload_2e39dcd4db6b4bba1cf06f1c83d107cd.png)
![](https://docs.vaala.cloud/uploads/upload_99a294911f74c844f28f4d3cd628a859.png)
互联网例子：
```
http:// # 标识协议开始，这里是http
http://baidu.com # baidu.com 标识主机名，这里我们访问百度的主机
http://baidu.com/map/index.html # /map/index.html 表示文件路径
```
给出另一个例子，访问本机文件：
```
file:///Users/vaala/Workdir/Temp/html/main.html
file:// 指file协议
主机名为空，访问的是自己
/Users/vaala/Workdir/Temp/html/main.html 为路径
```
</v-clicks>