启动一个服务：systemctl start firewal - 沸点

Java Senior Engineer @某垂直行业B2B电商平台

启动一个服务：systemctl start firewalld.service
关闭一个服务：systemctl stop firewalld.service
重启一个服务：systemctl restart firewalld.service
显示一个服务的状态：systemctl status firewalld.service
在开机时启用一个服务：systemctl enable firewalld.service
在开机时禁用一个服务：systemctl disable firewalld.service
查看服务是否开机启动：systemct list-enabled firewalld.service
查看已启动的服务列表：systemctl list-unit-files|grep enabled
查看启动失败的服务列表：systemctl --failed

firewall-cmd --state
firewall-cmd --list-services
firewall-cmd --get-services
firewall-cmd --zone=public --list-ports
firewall-cmd--get-active-zones
firewall-cmd--get-zone-of-interface=eth0

firewall-cmd --zone=public --add-port=3803/tcp --permanent
firewall-cmd --reload
firewall-cmd --zone=public --query-port=80/tcp
firewall-cmd --zone=public --remove-port=80/tcp --permanent

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