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