systemctl是CentOS7的服务管理工具中主要的工具，它融合之前service和chkconfig的功能于一体。
1、关闭firewall
systemctl status firewalld.service
systemctl stop firewalld.service
systemctl disable firewalld.service
firewall-cmd --state2、关闭iptables
yum install iptables-services
systemctl status iptables.service
systemctl stop iptables.service
systemctl disable iptables.service
cd /etc/sysconfig
mv /etc/sysconfig/iptables /etc/sysconfig/iptables.bak
mv /etc/sysconfig/iptables-config /etc/sysconfig/iptables-config.bak
touch /etc/sysconfig/iptables
touch /etc/sysconfig/iptables-config
reboot原创文章，作者：Maggie-Hunter，如若转载，请注明出处：https://blog.ytso.com/tech/aiops/1769.html