public-health-ch/ansible/roles/dev-sec.os-hardening/tasks/sysctl.yml

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2017-04-24 12:22:51 +00:00
---
- name: protect sysctl.conf
file: path='/etc/sysctl.conf' owner=root group=root mode=0440
- name: NSA 2.2.4.1 Set Daemon umask, do config for rhel-family
template: src='rhel_sysconfig_init.j2' dest='/etc/sysconfig/init' owner=root group=root mode=0544
when: ansible_distribution == 'RedHat' or ansible_distribution == 'Fedora' or ansible_distribution == 'CentOS'
- name: install initramfs-tools
apt: name='initramfs-tools' state=installed update_cache=true
when: ansible_os_family == 'Debian' and os_security_kernel_enable_module_loading
- name: rebuild initramfs with starting pack of modules, if module loading at runtime is disabled
template: src='modules.j2' dest='/etc/initramfs-tools/modules' owner=root group=root mode=0440
when: ansible_os_family == 'Debian' and os_security_kernel_enable_module_loading
register: initramfs
- name: update-initramfs
command: 'update-initramfs -u'
when: initramfs.changed
- name: Change various sysctl-settings, look at the sysctl-vars file for documentation
sysctl:
name: '{{ item.key }}'
value: '{{ item.value }}'
sysctl_set: yes
state: present
reload: yes
ignoreerrors: yes
with_dict: '{{ sysctl_config }}'
- name: Change various sysctl-settings on rhel-hosts, look at the sysctl-vars file for documentation
sysctl:
name: '{{ item.key }}'
value: '{{ item.value }}'
state: present
reload: yes
ignoreerrors: yes
with_dict: '{{ sysctl_rhel_config }}'
when: ansible_distribution == 'RedHat' or ansible_distribution == 'Fedora' or ansible_distribution == 'CentOS'
- name: Apply ufw defaults
template: src="ufw.j2" dest=/etc/default/ufw
when: ufw_manage_defaults and (ansible_distribution == 'Debian' or ansible_distribution == 'Ubuntu')
tags: ufw