CentOS7关闭防火墙和SELinux
防火墙（firewalld）
临时关闭防火墙
systemctl stop firewalld
防火墙开机不启动
systemctl disable firewalld
临时打开防火墙
systemctl start firewalld
防火墙开机启动
systemctl enable firewalld
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查看防火墙状态
systemctl status firewalld
END
临时关闭防火墙
systemctl stop firewalld
防火墙开机不启动
systemctl disable firewalld
临时打开防火墙
systemctl start firewalld
防火墙开机启动
systemctl enable firewalld
查看防火墙状态
systemctl status firewalld