& & & & ping不通svn时，可改C:\WINDOWS\system32\drivers\etc\hosts文件& & 增加一行& & 102.54.94.97& & & & # source server& & 主要作用是映射主机名到ip地址……
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相关经验教程& & & 这个文件是根据TCP/IP for Windows 的标准来工作的，它的作用是包含IP地址和Host name(主机名)的映射关系，是一个映射IP地址和Host name(主机名)的规定，规定要求每段只能包括一个映射关系，IP地址要放在每段的最前面，空格后再写上映射的Host name(主机名)。对于这段的映射说明用&#&分割后用文字说明。（这里的#号就相当于注释吧）
& & & 这个host文件夹是用来做什么用的？
&&简单的说就是IP跟域名的映射
当我们输入一个网络域名（）将会被解析成XXX.XXX.XXX.XXX格式的IP地址后，我们计算机才能访问。要是我们请求每个域名，我们都要等待域名服务器解析后返回IP地址，这样访问效率就会降低。而host文件就能提高解析效率。根据window系统规定，在进行dns请求之前，windows系统会先检查自己的host文件是否有这个地址映射关系，如果有则调用这个 IP地址映射，如果没有再向已知的DNS服务器提出域名解析。host请求级别别dns高
& &知道了Hosts文件的工作方式，具体作用？？？1、加快域名解析&对于要经常访问的网站，我们可以通过在Hosts中配置域名和IP的映射关系，这样当我们输入域名计算机就能很快解析出IP，而不用请求网络上的DNS服务器。&
如果经常要访问谷歌网站，就可以把这个IP和域名的映射关系写到host文件夹去。访问时不用去进行DNS域名解析，直接查看host文件，就可以快速访问。
例如：74.125.128.199 & & & &
2、方便局域网用户&在很多单位的局域网中，会有服务器提供给用户使用。但由于局域网中一般很少架设DNS服务器，访问这些服务要输入难记的IP地址，对不少人来说相当麻烦。现在可以分别给这些服务器取个容易记住的名字，然后在Hosts中建立IP映射，这样以后访问的时候我们输入这个服务器的名字就行了。&3、屏蔽网站 （把一些你要屏蔽的域名的IP地址写一个不正确的就可以达到屏蔽的效果）现在有很多网站不经过用户同意就将各种各样的插件安装到你的计算机中，有些说不定就是木马或病毒。对于这些网站我们可以利用Hosts把该网站的域名映射到错误的IP或自己计算机的IP，这样就不用访问了。我们在Hosts写上以下内容：&
例如：120.0.0.1 ，这样输入renren网址的时候，就访问前面这个IP，但是如果这个IP是错误的，网站就打不开。
127.0.0.1 #屏蔽的网站&0.0.0.0 #屏蔽的网站&这样计算机解析域名就解析到本机或错误的IP，达到了屏蔽的目的。&4、顺利连接系统&对于Lotus的服务器和一些数据库服务器，在访问时如果直接输入IP地址那是不能访问的，只能输入服务器名才能访问。那么我们配置好Hosts文件，这样输入服务器名就能顺利连接了。&最后要指出的是，Hosts文件配置的映射是静态的，如果网络上的计算机更改了请及时更新IP地址，否则将不能访问。
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打开C盘windows下system32\drivers\etc\hosts时出现runtime error是为什么
UID: 348485
论坛新人, 积分 0, 距离下一级还需 50 积分
我的电脑当打开C盘目录下WINDOWS\\system32\\drivers\\etc\\hosts文件(用写字板打开)时出现如下错误：
runtime error：
program：C：\\windows\\explorer.exe
abnormal program termination
点确定后机子自动蓝屏,然后关闭C盘,回到桌面，
当我删除C盘TEM临时文件中的一些文件时也出现以上提示。
请教各位电脑高手，这是什么原因，怎样解决，谢谢。
查一下是否有病毒或者恶意软件和木马
etc/hosts是配置ip地址和其对应主机名的文件；
Powered by[转载]备份，有用：C:\WINDOWS\system32\drivers\etc\HOSTS
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