deepin firewall，

deepin firewall，

• 安装服务

sudo apt-get install firewalld systemd -y

• 查看服务器上是否安装了firewall

systemctl status firewalld 

• 开启防火墙

systemctl start firewalld.service

• 关闭防火墙

systemctl stop firewalld.service

• 设置开机自启

systemctl enable firewalld.service

• 设置关闭开机自启动

systemctl disable firewalld.service

• 开放端口和IP

# 开放端口
firewall-cmd --zone=public --add-port=100-500/tcp --permanent

# 开放端口和IP
firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.31.131" port protocol="tcp" port="1-65535" accept"