Linux之防火墙

#查看防火墙状态
systemctl status firewalld
#启动防火墙
systemctl start firewalld
#关闭防火墙
systemctl stop firewalld
#永久关闭防火墙
systemctl disable firewalld
#重启防火墙
systemctl enable firewalld
systemctl restart firewalld

 

#查看防火墙状态
firewall-cmd --state
#查看防火墙版本
firewall-cmd --version
#查看开放端口
firewall-amd --list-all
#设置开放端口
sudo firewall-cmd --add-port=端口号/tcp --permanent