linux防火墙
安装防火墙
apt install firewalld
- 仅开放必要端口(如HTTP 80/HTTPS 443)
sudo firewall-cmd --permanent --add-service=http
sudo firewall-cmd --permanent --add-service=https
sudo firewall-cmd --reload
防火墙开机自启
systemctl enable firewalld
安装防火墙
apt install firewalld
sudo firewall-cmd --permanent --add-service=http
sudo firewall-cmd --permanent --add-service=https
sudo firewall-cmd --reload
防火墙开机自启
systemctl enable firewalld