Centos7启动关闭防火墙命令
# 关闭 systemctl stop firewalld.service # 启动 systemctl start firewalld.service # 查看状态 systemctl status firewalld.service
# 关闭 systemctl stop firewalld.service # 启动 systemctl start firewalld.service # 查看状态 systemctl status firewalld.service