---
hardening_common_enabled: true
hardening_common_fail2ban_enabled: true
hardening_common_fail2ban_sshd_enabled: true
hardening_common_unattended_upgrades_enabled: true
hardening_common_debsecan_enabled: true
hardening_common_apparmor_enabled: true
hardening_common_journald_enabled: true
hardening_common_journald_system_max_use: 512M
hardening_common_journald_runtime_max_use: 128M
hardening_common_ssh_port: 22
hardening_common_ssh_allow_groups: []
hardening_common_ssh_listen_addresses: []
hardening_common_sysctl:
  fs.protected_fifos: 2
  fs.protected_hardlinks: 1
  fs.protected_regular: 2
  fs.protected_symlinks: 1
  kernel.dmesg_restrict: 1
  kernel.kptr_restrict: 2
  kernel.randomize_va_space: 2
  kernel.sysrq: 0
  net.ipv4.conf.all.accept_redirects: 0
  net.ipv4.conf.default.accept_redirects: 0
  net.ipv4.conf.all.accept_source_route: 0
  net.ipv4.conf.default.accept_source_route: 0
  net.ipv4.conf.all.log_martians: 1
  net.ipv4.conf.default.log_martians: 1
  net.ipv4.conf.all.rp_filter: 1
  net.ipv4.conf.default.rp_filter: 1
  net.ipv4.conf.all.send_redirects: 0
  net.ipv4.conf.default.send_redirects: 0
  net.ipv4.icmp_echo_ignore_broadcasts: 1
  net.ipv4.ip_forward: 0
  net.ipv4.tcp_syncookies: 1
  net.ipv6.conf.all.accept_redirects: 0
  net.ipv6.conf.default.accept_redirects: 0
  net.ipv6.conf.all.accept_source_route: 0
  net.ipv6.conf.default.accept_source_route: 0
hardening_common_sshd_settings:
  PasswordAuthentication: 'no'
  PermitRootLogin: 'no'
  KbdInteractiveAuthentication: 'no'
  ChallengeResponseAuthentication: 'no'
  PubkeyAuthentication: 'yes'
  X11Forwarding: 'no'
  MaxAuthTries: '3'
  LoginGraceTime: '30'
  AllowAgentForwarding: 'no'
  AllowTcpForwarding: 'no'
  TCPKeepAlive: 'no'
  ClientAliveInterval: '300'
  ClientAliveCountMax: '2'
  MaxSessions: '10'
  MaxStartups: '10:30:60'
  Protocol: '2'
  Port: '22'
  UsePAM: 'yes'