防火墙服务相关命令 1、启动、关闭、重启防火墙服务 systemctl start firewalld.service systemctl stop firewalld.service systemctl restart firewalld.service 2、显示防火墙的状态 systemctl status firewalld.service 3、开机启动防火墙 systemctl enable firewalld.service 4、开机时禁用防火墙 systemctl disable firewalld.service 5、查看防火墙是否开机启动 systemctl is-enabled firewalld.service 6、查看已启动的服务列表 systemctl list-unit-files|grep enabled 7、查看启动失败的服务列表 systemctl --failed 8、启动、停止、重启httpd服务 systemctl start httpd systemctl stop httpd systemctl restart httpd
防火墙配置相关命令 1、查看版本 firewall-cmd --version 2、查看帮助 firewall-cmd --help 3、显示防火墙状态 firewall-cmd --state 4、查看所有打开的端口 firewall-cmd --zone=public --list-ports 5、查看区域信息 firewall-cmd --get-active-zones 6、查看指定接口所属区域 firewall-cmd --get-zone-of-interface=eth0 7、拒绝所有包、取消拒绝状态、查看是否拒绝 firewall-cmd --panic-on firewall-cmd --panic-off firewall-cmd --query-panic 8、开启3306端口,–permanent永久生效,没有此参数重启后失效 firewall-cmd --zone=public --add-port=3306/tcp --permanent 9、重新载入,更新防火墙规则 firewall-cmd --reload 10、查看3306端口是否开放 firewall-cmd --zone=public --query-port=3306/tcp 11、删除3306端口配置 firewall-cmd --zone=public --remove-port=3306/tcp --permanent
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