出自：
#yum install firewalld //安裝firewalld 防火牆# systemctl start firewalld.service● firewalld.service - firewalld - dynamic firewall daemon
loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vendor preset: enabled)
active: active (running) since 四 2017-06-08 19:25:45 cst; 4 days ago
docs: man:firewalld(1)
main pid: 744 (firewalld)
cgroup: /system.slice/firewalld.service
└─744 /usr/bin/python -es /usr/sbin/firewalld --nofork --nopid
#firewall-cmd --panic-on //在 0.3.0 之前的 firewalld版本中, panic 選項是 –enable-panic 與 –disable-panic#firewall-cmd --get-service#firewall-cmd --query-panic#firewall-cmd --reload# firewall-cmd --zone=public --add-service=https //臨時
# firewall-cmd --permanent --zone=public --add-service=https //永久
#firewall-cmd --permanent --zone=public --add-port=8080-8081/tcp //永久
#firewall-cmd --zone=public --add-port=8080-8081/tcp //臨時
#firewall-cmd --reload#firewall-cmd --permanent --zone=public --list-services //服務空格隔開 例如 dhcpv6-client https ss
#firewall-cmd --permanent --zone=public --list-ports //埠空格隔開 例如 8080-8081/tcp 8388/tcp 80/tcp
#systemctl start firewalld.service //開啟服務
#systemctl enable firewalld.service //開機制動啟動
#systemctl stop firewalld.service //關閉服務
#systemctl disable firewalld.service //禁止開機啟動
firewall-cmd --query-masquerade # 檢查是否允許偽裝ip
firewall-cmd --add-masquerade # 允許防火牆偽裝ip
firewall-cmd --remove-masquerade# 禁止防火牆偽裝ip
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