要更新 Debian 系统以防范 exploit,可以按照以下步骤进行:
sudo apt update && sudo apt upgrade -y
sudo apt install unattended-upgrades -y
sudo dpkg-reconfigure unattended-upgrades
按照提示选择启用自动更新。
sudo systemctl status apt-daily.timer
sudo systemctl status apt-daily-upgrade.timer
sudo systemctl enable --now apt-daily.timer
sudo systemctl enable --now apt-daily-upgrade.timer
sudo unattended-upgrade --dry-run
sudo less /var/log/unattended-upgrades/unattended-upgrades.log
sudo apt install ufw
sudo ufw allow OpenSSH
sudo ufw enable
auditd
和 Nessus
或 OpenVAS
定期检查系统漏洞。通过以上步骤,你可以确保 Debian 系统及时更新最新的安全补丁,并配置防火墙以增强安全性。这些措施将有助于防范 exploit 和其他安全威胁。