- **hardening_sshd_enabled** (boolean): Enable or disable ssh hardening
- **hardening_sshd_authorized_key_file** (string): Set the relative path for sshd authorized_key_file
- **hardening_sshd_tcp_forward** (boolean): Enable or disable sshd tcp forwarding
- **hardening_sshd_legal_banner** (boolean): Enable or disable sshd legal banner (/etc/issue.net)
- **hardening_sshd_permissions_set_sticky_bit** (boolean): Enable or disable the sticky bit for sshd directory and files (root)
- **hardening_sysctl_vm_swappiness** (integer): Set the value for sysctl vm.swappiness
- **hardening_sysctl_disable_ipv6** (boolean): Enable or disable ipv6 though sysctl
- **hardening_modprobe_disable_list** (dict): Array of sections. Each section contains an array of string: modules, protocols and so on that can be disabled through modprobe