1 查看防火墙状态

netsh advfirewall show allprofiles

2 开启防火墙

netsh advfirewall set allprofiles state on

3 关闭防火墙

netsh firewall set opmode mode=disable

netsh advfirewall set allprofiles state off

用DOS命令关闭Windows自带防火墙

net stop sharedaccess

4 恢复初始防火墙设置

netsh advfirewall reset

5 设置默认输入和输出策略

允许

netsh advfirewall set allprofiles firewallpolicy allowinbound,allowoutbound

拒绝

netsh advfirewall set allprofiles firewallpolicy blockinbound,blockoutbound