Files
ansible-collection-hardening/roles/os_hardening/tasks/limits.yml
T

65 lines
1.9 KiB
YAML

---
- name: Disable coredumps
when: not os_security_kernel_enable_core_dump | bool
block:
- name: Create limits.d-directory if it does not exist | sysctl-31a, sysctl-31b
file:
path: '/etc/security/limits.d'
owner: 'root'
group: 'root'
mode: '0755'
state: 'directory'
- name: Create additional limits config file -> 10.hardcore.conf | sysctl-31a, sysctl-31b
pam_limits:
dest: '/etc/security/limits.d/10.hardcore.conf'
domain: '*'
limit_type: hard
limit_item: core
value: '0'
comment: Prevent core dumps for all users. These are usually not needed and may contain sensitive information
- name: Set 10.hardcore.conf perms to 0400 and root ownership
file:
path: /etc/security/limits.d/10.hardcore.conf
owner: 'root'
group: 'root'
mode: '0440'
state: touch
modification_time: preserve
access_time: preserve
- name: Create coredump.conf.d-directory if it does not exist
file:
path: '/etc/systemd/coredump.conf.d'
owner: root
group: root
mode: 0755
state: directory
when: ansible_service_mgr == "systemd"
- name: Create custom.conf for disabling coredumps
template:
src: 'etc/systemd/coredump.conf.d/coredumps.conf.j2'
dest: '/etc/systemd/coredump.conf.d/custom.conf'
owner: root
group: root
mode: 0644
when: ansible_service_mgr == "systemd"
notify: Reload systemd
- name: Enable coredumps
when: os_security_kernel_enable_core_dump | bool
block:
- name: Remove coredump.conf.d directory with files
file:
path: /etc/systemd/coredump.conf.d
state: absent
when: ansible_service_mgr == "systemd"
notify: Reload systemd
- name: Remove 10.hardcore.conf config file
file:
path: /etc/security/limits.d/10.hardcore.conf
state: absent