https://www.jb51.net/article/101576.htm

    永久关闭防火墙
    开启: chkconfig iptables on
    关闭: chkconfig iptables off

    暂时关闭防火墙 重启复原

    1. 开启: service iptables start<br /> 关闭: service iptables stop

    上面俩命令在精简版linux中可能无法运行,下面绝对有效
    systemctl stop firewalld
    systemctl status firewalld

    systemctl disable firewalld #禁止firewall开机启动