configurations-ansible/roles/hardening-basic
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defaults new default: coredump hardening sysctl.d; better swappiness default 2024-10-04 19:49:25 +02:00
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tasks add some debug messages; cleanup of some blocks; update some README with missing useful informations 2023-01-13 18:01:41 +01:00
templates new default: coredump hardening sysctl.d; better swappiness default 2024-10-04 19:49:25 +02:00
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README.md optimized hardening-basic role; add journalctl hardening 2022-11-22 11:42:08 +01:00

hardening-basic

This role harden a target with best practises for SSH, modprobe and sysctl

Requirements

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Role Variables

  • 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
  • hardening_journald_system_max_use (string): Example 250M
  • hardening_journald_system_max_file_size (string): Example 50M

Dependencies

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Example Playbook

ansible-playbook -i inventory/example.yml handbook.yml --extra-vars="target=your_target" --tags hardening

License

GPLv3

Author Information