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---
# apt cache
- name: update apt cache
ansible.builtin.apt:
update_cache: yes
cache_valid_time: 3600
# SSH
- name: Copy sshd_config
copy:
src: ../templates/sshd_config
dest: /etc/ssh/sshd_config
owner: root
group: root
mode: u=rw,g=r,o=r
- name: restart sshd
service: name=sshd state=restarted enabled=yes
# FIREWALL
- name: install UFW
apt: name=ufw state=latest
- name: allow ssh from everywhere and enable
ufw:
rule: allow
name: OpenSSH
state: enabled
- name: restart ufw
service: name=ufw state=restarted enabled=yes
# FAIL2BAN
- name: install fail2ban
apt: name=fail2ban state=latest
- name: Copy jail.conf
copy:
src: ../templates/jail.conf
dest: /etc/fail2ban/jail.conf
owner: root
group: root
mode: u=rw,g=r,o=r
- name: restart fail2ban
service: name=fail2ban state=restarted enabled=yes
# DNS
- name: install systemd-resolved
apt: name=systemd-resolved state=latest
- name: Check if systemd-resolved config exists
ansible.builtin.stat:
path: /etc/systemd/resolved.conf
register: systemd_resolved_config
check_mode: false
- name: Update DNS servers for systemd-resolvd
ansible.builtin.include_tasks:
file: 'systemd-resolved.yml'
when: systemd_resolved_config.stat.exists | bool
- name: Check if systemd-resolved runs
ansible.builtin.shell: pgrep systemd-resolve
failed_when: false
changed_when: false
register: systemd_resolved_running
check_mode: false
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