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| systemctl enable firewalld.service
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| systemctl disable firewalld.service
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| systemctl stop firewalld.service
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| systemctl start firewalld.service
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| 先用:systemctl unmask firewalld.service
然后:systemctl start firewalld.service
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| systemctl status firewalld
# 或
firewall-cmd --stat
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| firewall-cmd --list-ports
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| #(--permanent永久生效,没有此参数重启后失效)
#注:可以是一个端口范围,如1000-2000/tcp
firewall-cmd --zone=public --add-port=80/tcp --permanent
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| firewall-cmd --zone=public --query-port=80/tcp
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| firewall-cmd --zone=public --remove-port=80/tcp --permanent
#
firewall-cmd --permanent --remove-port=123/tcp
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| 查看版本: firewall-cmd --version
查看帮助: firewall-cmd --help
显示状态: firewall-cmd --state
查看所有打开的端口: firewall-cmd --zone=public --list-ports
更新防火墙规则: firewall-cmd --reload
查看区域信息: firewall-cmd --get-active-zones
查看指定接口所属区域: firewall-cmd --get-zone-of-interface=eth0
拒绝所有包:firewall-cmd --panic-on
取消拒绝状态: firewall-cmd --panic-off
查看是否拒绝: firewall-cmd --query-panic
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