How to Edit the hosts File on Windows 10 or 11

hosts 文件可告知主机 IP 与域名映射关系以提高访问速度，还能屏蔽网站。 修改方式多样，需注意规则。 路径为 C:\Windows\System32\drivers\etc ，修改不当可按提供的修复代码恢复。

在第一種方法中，使用者以管理員身份打開Notepad，導航到'hosts'文件位置，並添加將特定網站指向'127.0.0.1'的條目，有效地阻擋它們。

Learn how to block websites on Windows 10 and 11 using the hosts file. Step-by-step guide with examples, limitations, and better alternatives for IT admins.

The hosts file is the first place Windows checks for IP addresses when connecting to websites and can be manually edited to block access to specific websites. The hosts file is located in "C:\Windows\system32\drivers\etc" on both

This tutorial will show you how to block websites for all users on the computer using the Hosts file in Windows 7, Windows 8, Windows 10, and Windows 11. You must be signed in as an administrator to edit the Hosts file.

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远程的 DNS服务器 进行IP地址解析。