60 lines
1.6 KiB
YAML
60 lines
1.6 KiB
YAML
---
|
|
# see: https://wiki.archlinux.org/title/Fail2ban
|
|
- name: Install fail2ban
|
|
package:
|
|
name: fail2ban
|
|
state: present
|
|
|
|
- name: Ensure fail2ban configuration is only owned by root
|
|
file:
|
|
path: /etc/fail2ban
|
|
owner: root
|
|
group: root
|
|
mode: 0700
|
|
recurse: yes
|
|
|
|
- name: Install Fail2ban Config
|
|
block:
|
|
- name: General configuration
|
|
template:
|
|
src: jail.local.j2
|
|
dest: /etc/fail2ban/jail.local
|
|
mode: "0600"
|
|
- name: Service custom jail
|
|
template:
|
|
src: "{{ item.src }}"
|
|
dest: "{{ item.dest }}"
|
|
mode: "0600"
|
|
loop:
|
|
- { src: sshd-jail.local.j2, dest: /etc/fail2ban/jail.d/sshd.local }
|
|
- { src: nginx-jail.local.j2, dest: /etc/fail2ban/jail.d/nginx.local }
|
|
|
|
- name: Service hardening (read-only root rights)
|
|
block:
|
|
- name: Check if hardening configuration is already applied
|
|
stat:
|
|
path: /etc/systemd/system/fail2ban.service.d/override.conf
|
|
register: override_conf
|
|
- name: Create configuration directory
|
|
file:
|
|
path: /etc/systemd/system/fail2ban.service.d
|
|
state: directory
|
|
owner: root
|
|
group: root
|
|
mode: 0700
|
|
- name: Apply hardening configuration
|
|
template:
|
|
src: hardened.fail2ban.conf.j2
|
|
dest: /etc/systemd/system/fail2ban.service.d/override.conf
|
|
when: not override_conf.stat.exists
|
|
- name: Reload systemd
|
|
systemd:
|
|
daemon_reload: yes
|
|
when: not override_conf.stat.exists
|
|
|
|
- name: Start and enable fail2ban
|
|
service:
|
|
name: fail2ban
|
|
state: started
|
|
enabled: yes
|