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

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---
# Ubuntu 20.04 will use nftables directly, with no firewalld.
- block:
- name: Set Ubuntu firewall packages
when: ansible_distribution_version is version('20.04', '>=')
ansible.builtin.set_fact:
ubuntu_firewall_packages:
- fail2ban
- libnet-ip-perl # for aggregate-cidr-addresses.pl
- nftables
- python3-systemd
- curl # for nftables update scripts
- name: Install firewall packages
ansible.builtin.apt: pkg={{ ubuntu_firewall_packages }} state=present cache_valid_time=3600
- name: Remove ufw
when: ansible_distribution_version is version('16.04', '>=')
ansible.builtin.apt: pkg=ufw state=absent
- name: Copy nftables.conf
when: ansible_distribution_version is version('20.04', '>=')
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_version is version('20.04', '>=')
ansible.builtin.file: path=/etc/nftables state=directory owner=root mode=0755
- name: Copy extra nftables configuration files
when: ansible_distribution_version is version('20.04', '>=')
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('20.04', '>=')
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('20.04', '>=')
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
2022-09-10 22:26:55 +02:00
when: nftables_systemd_units is changed
- name: Start and enable nftables update timers
when: ansible_distribution_version is version('20.04', '>=')
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_version is version('20.04', '>=')
ansible.builtin.systemd: name=nftables state=started enabled=true
- ansible.builtin.include_tasks: fail2ban.yml
when: ansible_distribution_version is version('16.04', '>=')
tags: firewall
# vim: set sw=2 ts=2: