1.查看防火墙状态: firewall-cmd --state 或 systemctl status firewalld 2.开启防火墙命令: systemctl start firewalld.service 3.关闭防火墙命令: systemctl stop firewalld.service 4.开机自启: systemctl enable firewalld.service 5.关闭开机自启: systemctl disable firewalld.service 6.查看端口: firewall-cmd --zone=public --query-port=8080/tcp 7.删除端口: firewall-cmd --zone=public --remove-port=8080/tcp --permanent 8.查看开启了哪些端口: firewall-cmd --list-port 9.查看开启了哪些服务: firewall-cmd --list-service 10.允许一个端口、或者一个端口范围 默访认都允许访问 firewall-cmd --permanent --zone=public --add-port=100-500/tcp 配置效果:<port protocol="tcp" port="100-500"/> firewall-cmd --permanent --zone=public --add-port=100/udp? 配置效果:<port protocol="udp" port="100"/> 11.允许某个IP访问某端口 firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.142.166" port protocol="tcp" port="6379" accept" ? 加一个IP firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.142.0/24" port protocol="tcp" port="6379-6380" accept" ? 加一个IP段、端口段 12.查看已启动的服务列表:systemctl list-unit-files|grep enabled 13.查看启动失败的服务列表:systemctl --failed 14.查看版本:firewall-cmd --version 15.查看帮助:firewall-cmd --help 16.更新防火墙规则:firewall-cmd --reload 17.查看区域信息: firewall-cmd --get-active-zones 18.查看指定接口所属区域:firewall-cmd --get-zone-of-interface=eth0 19.取消拒绝状态:firewall-cmd --panic-off 20.查看是否拒绝:firewall-cmd --query-panic ?
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