Security

TL;DR To harden your Debian 13 server for internet-facing applications, follow these essential steps: Update the System: Ensure all packages are up-to-date to mitigate vulnerabilities. sudo apt update && sudo apt upgrade -y # Update package lists and upgrade installed packages Configure the Firewall: Use ufw to allow only necessary ports. ...

TL;DR To quickly secure your Debian 13 server, follow these steps to set up UFW (Uncomplicated Firewall) and Fail2ban. Install UFW and Fail2ban: Ensure both packages are installed on your system. sudo apt update && sudo apt install ufw fail2ban -y # Install UFW and Fail2ban Configure UFW: Start by setting default policies to deny incoming connections and allow outgoing ones. ...