一、啥是服务器？
服务器其实就是一个一直开机的电脑~
它里面存着很多文件和数据。每一个服务器都会有一个自己的固定ip地址，这是找到它唯一的途径！
二、啥是ip？
ip就像一个门牌号一样，告诉服务器告诉大家我在哪~比如我们可以ping度娘的官网~我们就能发现他的ip，如果我们直接用他的ip访问也是可以的。但是如果我们一直用这样一串数字来访问网页，那是不是会很蛋疼呢？所以我们要用 - 域名！
注：下图的亮点在地址框~用ip直接访问度娘~
三、啥是域名？
刚才和大家讲了ip，但是我们似乎没用过ip去访问度娘，那是因为人家用了域名的！
其实，域名就是帮助你把ip换成一段可以更好记忆的文本 ~ 比如baidu.com难到不比200.181.111.37 这样的9位数字好记忆？所以，你在浏览器的栏里输baidu它就会自动变成这9位数，这是不是方便很多~但是，它是怎么改变的呢？答案就是DNS
四、啥又是DNS？
DNS其实是域名系统（domain name system）的缩写。说白了，当你在浏览器的栏里输入域名时，它会先到dns去找这个域名所对应的ip，这样就完成了从ip到域名的转换，也完成了从数字到文本的转换。
五、啥是网站？
网页其实就是一个文件，就像ppt一样，只不过，ppt用office打开，而网页要用浏览器打开。相同，文件总有个存储的位置。比如，c盘/windows/用户/桌面。而网页也要有个自己的存储位置才能找到，而不同的是，这个位置是在服务器上的。那怎么找到它呢？其实很简单，那就是ip啊！我们通过ip就可以访问这个服务器了。比如贴吧的主页就是 tieba/index.html 也就是说，这个主页是在根目录下的index。html文件~和盘根目录下的一个ppt文件类似（其实服务器网页并不是在根目录~）
那你访问度娘的整个过程就可以这样去想像~~
你想要去查看别人电脑（服务器）里的一个文件（网页文件），那你要先找到他对吧。那怎么才能找到他呢？就是用ip，当你知道他的ip是不是就能找到他了，但是一串数字太难记了，于是用这个ip绑定一个域名，比如www.baidu.com这样，你只要用baidu.com，它就会在DNS上转换成百度度的ip地址了，于是我们就能看到他的文件了（网页文件）
当你了解了这些，我们现在就可以入门了~
接下来，你可以去了解墙的工作原理了
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efforts and I am waiting for your next post thanks once again.