Linux防火墙开启与关闭

1.查看linux防火墙的状态linux service iptables statusspa 2.开启和关闭防火墙，当即生效，linux重启以后复原blog service iptables startip service iptables stoptable 3.开启和关闭防火墙，重启后才能生效，永久生效iptables chkconfig iptables onservice chkconf

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