systemctl
systemctl unmask firewalld
systemctl mask firewalld
systemctl start firewalld.service
systemctl stop firewalld.service
systemctl reloadt firewalld.service
systemctl restart firewalld.service
systemctl status firewalld.service
systemctl enable firewalld.service
systemctl disable firewalld.service
systemctl is-enabled firewalld.service
systemctl list-unit-files|grep enabled
systemctl --failed
firewall-cmd
firewall-cmd --state #查看防火墙状态
firewall-cmd --reload #更新防火墙规则
firewall-cmd --state #查看防火墙状态
firewall-cmd --reload #重载防火墙规则
firewall-cmd --list-ports #查看所有打开的端口
firewall-cmd --list-services #查看所有允许的服务
firewall-cmd --get-services #获取所有支持的服务
#区域相关
firewall-cmd --list-all-zones #查看所有区域信息
firewall-cmd --get-active-zones #查看活动区域信息
firewall-cmd --set-default-zone=public #设置public为默认区域
firewall-cmd --get-default-zone #查看默认区域信息
firewall-cmd --zone=public --add-interface=eth0 #将接口eth0加入区域public
#接口相关
firewall-cmd --zone=public --remove-interface=eth0 #从区域public中删除接口eth0
firewall-cmd --zone=default --change-interface=eth0 #修改接口eth0所属区域为default
firewall-cmd --get-zone-of-interface=eth0 #查看接口eth0所属区域
#端口控制
firewall-cmd --add-port=80/tcp --permanent #永久添加80端口例外(全局)
firewall-cmd --remove-port=80/tcp --permanent #永久删除80端口例外(全局)
firewall-cmd --add-port=65001-65010/tcp --permanent #永久增加65001-65010例外(全局)
firewall-cmd --zone=public --add-port=80/tcp --permanent #永久添加80端口例外(区域public)
firewall-cmd --zone=public --remove-port=80/tcp --permanent #永久删除80端口例外(区域public)
firewall-cmd --zone=public --add-port=65001-65010/tcp --permanent #永久增加65001-65010例外(区域public)
firewall-cmd --query-port=8080/tcp # 查询端口是否开放
firewall-cmd --permanent --add-port=80/tcp # 开放80端口
firewall-cmd --permanent --remove-port=8080/tcp # 移除端口
firewall-cmd --reload #重启防火墙(修改配置后要重启防火墙)
改用iptables.service
yum install iptables-services
systemctl stop firewalld.service
systemctl mask firewalld.service
systemctl start iptables.service
systemctl start ip6tables.service
systemctl enable iptables.service
systemctl enable ip6tables.service
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