CentOS7 开关防火墙
CentOS7 开关防火墙systemctl start firewalld.service#启动firewallsystemctl stop firewalld.service#停止firewallsystemctl disable firewalld.service#禁止firewall开机启动重启防火墙firewall-cmd --reload
CentOS7 开关防火墙systemctl start firewalld.service#启动firewallsystemctl stop firewalld.service#停止firewallsystemctl disable firewalld.service#禁止firewall开机启动重启防火墙firewall-cmd --reload