firewall-cmd 常用命令

# 开启防火墙
systemctl start firewalld.service

# 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

# 查看现有的规则
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

# 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