--- # Hardening configuration cis_level: 1 disable_root_login: true secure_ssh_config: true firewall_policy: deny auditd_enabled: true selinux_mode: enforcing apparmor_enabled: true # SSH Hardening ssh_max_auth_tries: 3 ssh_client_alive_interval: 300 ssh_client_alive_count_max: 2 # Firewall rules for SSH (trusted networks) ssh_allowed_networks: - 10.0.0.0/8 - 172.16.0.0/12 - 192.168.0.0/16 # Services to disable unnecessary_services: - cups - avahi-daemon - bluetooth - nfs-server - rpcbind # Packages to remove unnecessary_packages: - telnet - rsh-client - talk - ntalk