firewall-cmd 常用命令

#開啟服務器的端口

firewall-cmd --add-port 8080/tcp

# 開啟防火牆
systemctl start firewalld.service

# 重啟防火牆
systemctl restart firewalld

# 防火牆開機啟動
systemctl enable firewalld.service

# 關閉防火牆
systemctl stop firewalld.service

# 查看防火牆狀態
firewall-cmd --state

#查看防火牆狀態

systemctl status firewalld 或者 firewall-cmd --state

#查看防火牆開機時是否啟動
systemctl list-unit-files | grep firewalld

#查看區域信息

firewall-cmd--get-active-zones

#查看指定接口所屬區域

firewall-cmd--get-zone-of-interface=eth0

# 查看現有的規則

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

# 重載防火牆配置
firewall-cmd --reload

# 添加單個單端口
firewall-cmd --permanent --zone=public --add-port=81/tcp

　　--permanent 永久生效
　　--zone作用域
　　--add-port 添加一個端口

#查看現有端口

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

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

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

# 刪除某個端口
firewall-cmd --permanent --zone=public --remove-port=81/tcp

# 針對某個 IP開放端口
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"

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

# 針對一個ip段訪問
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"

# 添加操作后別忘了執行重載
firewall-cmd --reload

更多詳細內容可參見：

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