Hosts文件异常及修复

Hosts文件是什么?

  :Hosts文件主要作用是定义IP地址和主机名的映射关系,是一个映射IP地址和主机名的规定。可以用文本文件打开!当用户在浏览器中输入一个需要登录的网址时,系统会首先自动从Hosts文件中寻找对应的IP地址,一旦找到,浏览器会立即打开对应网页,如果没有找到,则浏览器会将网址提交DNS服务器进行IP地址解析。这也是提高快速打开网页的方法!

 Hosts文件位置在哪里?

  1、Windows XP/2003/Vista/2008/7/8/8.1/10用户Hosts文件是在:C:\Windows\System32\drivers\etc

       2、也可Win+R后输入:C:\Windows\System32\drivers\etc

Hosts文件修复:

       1、将hosts文件复制到桌面,用记事本打开;

       2、删除记事本的全部内容,将以下内容复制后放入文件然后保存:

  # copyright (c) 1993-1999 microsoft corp.

  #

  # this is a sample hosts file used by microsoft tcp/ip for windows.

  # this file contains the mappings of ip addresses to host names. each

  # entry should be kept on an individual line. the ip address should

  # be placed in the first column followed by the corresponding host name.

  # the ip address and the host name should be separated by at least one

  # space.

  #

  # additionally, comments (such as these) may be inserted on individual

  # lines or following the machine name denoted by a '#' symbol.

  #

  # for example:

  #

  # 102.54.94.97 rhino.acme.com # source server

  # 38.25.63.10 x.acme.com # x client host

  127.0.0.1 localhost

  127.0.0.1 localhost

3、将修改后的hosts文件放入C:\Windows\System32\drivers\etc替换以前的hosts文件,修复成功!

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转载自www.cnblogs.com/showovo/p/11313840.html