firewall-cmd 常用命令

#开启服务器的端口

firewall-cmd --add-port 8080/tcp

# 开启防火墙
systemctl start firewalld.service

# 重启防火墙
systemctl restart firewalld

# 防火墙开机启动
systemctl enable firewalld.service

# 关闭防火墙
systemctl stop firewalld.service

# 查看防火墙状态
firewall-cmd --state

#查看防火墙状态

systemctl status firewalld 或者 firewall-cmd --state

#查看防火墙开机时是否启动
systemctl list-unit-files | grep firewalld

#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

# 查看现有的规则

firewall-cmd --list-all
或
iptables -nL

# 重载防火墙配置
firewall-cmd --reload

# 添加单个单端口
firewall-cmd --permanent --zone=public --add-port=81/tcp

　　--permanent 永久生效
　　--zone作用域
　　--add-port 添加一个端口

#查看现有端口

firewall-cmd --zone=public --query-port=80/tcp

或
firewall-cmd --zone=public --list-ports

# 添加多个端口
firewall-cmd --permanent --zone=public --add-port=8080-8083/tcp

# 删除某个端口
firewall-cmd --permanent --zone=public --remove-port=81/tcp

# 针对某个 IP开放端口
firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.142.166" port protocol="tcp" port="6379" accept"
firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.0.233" accept"

# 删除某个IP
firewall-cmd --permanent --remove-rich-rule="rule family="ipv4" source address="192.168.1.51" accept"

# 针对一个ip段访问
firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.0.0/16" accept"
firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.1.0/24" port protocol="tcp" port="9200" accept"

# 添加操作后别忘了执行重载
firewall-cmd --reload

更多详细内容可参见：

https://www.jb51.net/article/99913.htm