深入解析，服务器端口关闭技巧与策略详解，服务器怎么关闭端口号

本文目录导读：

1. 服务器端口关闭方法

在计算机网络中，服务器端口是应用程序访问服务器的重要通道，关闭服务器端口可以有效提高系统安全性，降低恶意攻击风险，本文将深入解析服务器端口关闭的方法与策略，帮助您轻松掌握端口关闭技巧。

服务器端口关闭方法

1、通过操作系统命令关闭

（1）Windows系统

在Windows系统中，可以通过以下步骤关闭指定端口：

图片来源于网络，如有侵权联系删除

①打开命令提示符窗口（按Win+R键，输入cmd，按Enter键）。

②输入netstat -ano命令，查看当前所有开启的端口。

图片来源于网络，如有侵权联系删除

③找到需要关闭的端口号，在命令提示符窗口中输入以下命令（以80端口为例）：

netstat -ano | findstr "80" | findstr "LISTENING" | findstr "TCP" | findstr "0.0.0.0" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":80" | findstr ":

图片来源于网络，如有侵权联系删除

标签： #服务器怎么关闭端口