--- # SSH hardening sshd_port: 22 sshd_permit_root_login: "no" sshd_password_authentication: "no" sshd_pubkey_authentication: "yes" sshd_x11_forwarding: "no" sshd_max_auth_tries: 3 sshd_client_alive_interval: 300 sshd_client_alive_count_max: 2 # Packages to install base_packages: - ufw - fail2ban - curl - wget - git - htop - vim - unzip - ca-certificates - gnupg - lsb-release