ansible-personal/roles/common/tasks/firewall_Debian.yml

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---
2023-08-09 21:51:53 +02:00
# Debian 11+ will use nftables directly, with no firewalld.
- block:
- name: Install Debian firewall packages
when: ansible_distribution_major_version is version('11', '>=')
ansible.builtin.package:
name:
- fail2ban
- libnet-ip-perl # for aggregate-cidr-addresses.pl
- nftables
- python3-systemd
- curl # for nftables update scripts
state: present
cache_valid_time: 3600
- name: Remove iptables on newer Debian
when: ansible_distribution_major_version is version('11', '>=')
ansible.builtin.apt:
pkg: iptables
state: absent
- name: Copy nftables.conf
when: ansible_distribution_major_version is version('11', '>=')
ansible.builtin.template:
src: nftables.conf.j2
dest: /etc/nftables.conf
owner: root
mode: 0644
notify:
- restart nftables
- restart fail2ban
- name: Create /etc/nftables extra config directory
when: ansible_distribution_major_version is version('11', '>=')
ansible.builtin.file:
path: /etc/nftables
state: directory
owner: root
mode: 0755
- name: Copy extra nftables configuration files
when: ansible_distribution_major_version is version('11', '>=')
ansible.builtin.copy:
src: "{{ item.src }}"
dest: "/etc/nftables/{{ item.src }}"
owner: root
group: root
mode: 0644
force: "{{ item.force }}"
loop:
- { src: "spamhaus-ipv4.nft", force: "no" }
- { src: "spamhaus-ipv6.nft", force: "no" }
- { src: "abusech-ipv4.nft", force: "no" }
- { src: "abuseipdb-ipv4.nft", force: "yes" }
- { src: "abuseipdb-ipv6.nft", force: "yes" }
notify:
- restart nftables
- restart fail2ban
- name: Copy nftables update scripts
when: ansible_distribution_version is version('11', '>=')
ansible.builtin.copy:
src: "{{ item }}"
dest: "/usr/local/bin/{{ item }}"
mode: 0755
owner: root
group: root
loop:
- update-spamhaus-nftables.sh
- aggregate-cidr-addresses.pl
- update-abusech-nftables.sh
- name: Copy nftables systemd units
when: ansible_distribution_version is version('11', '>=')
ansible.builtin.copy:
src: "{{ item }}"
dest: "/etc/systemd/system/{{ item }}"
mode: 0644
owner: root
group: root
loop:
- update-spamhaus-nftables.service
- update-spamhaus-nftables.timer
- update-abusech-nftables.service
- update-abusech-nftables.timer
register: nftables_systemd_units
# need to reload to pick up service/timer/environment changes
- name: Reload systemd daemon
ansible.builtin.systemd:
daemon_reload: true
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when: nftables_systemd_units is changed
- name: Start and enable nftables update timers
when: ansible_distribution_version is version('11', '>=')
ansible.builtin.systemd:
name: "{{ item }}"
state: started
enabled: true
loop:
- update-spamhaus-nftables.timer
- update-abusech-nftables.timer
- name: Start and enable nftables
when: ansible_distribution_major_version is version('11', '>=')
ansible.builtin.systemd:
name: nftables
state: started
enabled: true
- ansible.builtin.include_tasks: fail2ban.yml
when: ansible_distribution_major_version is version('9', '>=')
tags: firewall
# vim: set sw=2 ts=2: