1. # 显示状态
    2. firewall-cmd --state
    4. # 显示所有防火墙规则
    5. firewall-cmd --list-all
    7. # 显示所有打开的端口
    8. firewall-cmd --zone=public --list-ports
    10. # 重载防火墙配置
    11. firewall-cmd --reload
    13. # 添加单个单端口
    14. firewall-cmd --permanent --zone=public --add-port=81/tcp
    16. # 添加多个端口
    17. firewall-cmd --permanent --zone=public --add-port=8080-8083/tcp
    19. # 删除某个端口
    20. firewall-cmd --permanent --zone=public --remove-port=81/tcp
    22. # 针对某个IP开放
    23. firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.142.166" port protocol="tcp" port="6379" accept"
    24. firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.0.233" accept"
    26. # 删除某个IP
    27. firewall-cmd --permanent --remove-rich-rule="rule family="ipv4" source address="192.168.1.51" accept"
    29. # 针对一个ip段访问
    30. firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.0.0/16" accept"
    31. firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.1.0/24" port protocol="tcp" port="9200" accept"