91 lines
3.1 KiB
YAML
91 lines
3.1 KiB
YAML
---
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- block:
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- name: Set Ubuntu firewall packages
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set_fact:
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ubuntu_firewall_packages:
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- firewalld
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- tidy
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- fail2ban
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- python3-systemd # for fail2ban systemd backend
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- name: Install firewalld and deps
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when: ansible_distribution_version is version('16.04', '>=')
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apt: pkg={{ ubuntu_firewall_packages }} state=present
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- name: Remove ufw
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when: ansible_distribution_version is version('16.04', '>=')
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apt: pkg=ufw state=absent
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# I'm not sure why, but you can use firewalld with the nftables backend even
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# if nftables itself is not installed. In that case the only way to see the
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# currently active rules is with firewall-cmd. I prefer installing nftables
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# so that we can have somewhat of a parallel with iptables:
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#
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# nft list ruleset
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#
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# See: https://firewalld.org/2018/07/nftables-backend
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- name: Install nftables
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when: ansible_distribution_version is version('20.04', '==')
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apt: pkg=nftables state=present
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- name: Use nftables backend in firewalld
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when: ansible_distribution_version is version('20.04', '==')
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lineinfile:
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dest: /etc/firewalld/firewalld.conf
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regexp: '^FirewallBackend=iptables$'
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line: 'FirewallBackend=nftables'
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notify:
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- restart firewalld
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- name: Copy firewalld public zone file
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when: ansible_distribution_version is version('16.04', '>=')
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template: src=public.xml.j2 dest=/etc/firewalld/zones/public.xml owner=root mode=0600
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- name: Format public.xml firewalld zone file
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when: ansible_distribution_version is version('16.04', '>=')
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command: tidy -xml -iq -m -w 0 /etc/firewalld/zones/public.xml
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notify:
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- restart firewalld
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- name: Copy ipsets of abusive IPs
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when: ansible_distribution_version is version('16.04', '>=')
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copy: src={{ item }} dest=/etc/firewalld/ipsets/{{ item }} owner=root group=root mode=0600
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loop:
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- abusers-ipv4.xml
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- abusers-ipv6.xml
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- spamhaus-ipv4.xml
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- spamhaus-ipv6.xml
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notify:
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- restart firewalld
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- name: Copy Spamhaus update script
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when: ansible_distribution_version is version('16.04', '>=')
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copy: src=update-spamhaus-lists.sh dest=/usr/local/bin/update-spamhaus-lists.sh mode=0755 owner=root group=root
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- name: Copy Spamhaus systemd units
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when: ansible_distribution_version is version('16.04', '>=')
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copy: src={{ item }} dest=/etc/systemd/system/{{ item }} mode=0644 owner=root group=root
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loop:
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- update-spamhaus-lists.service
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- update-spamhaus-lists.timer
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register: spamhaus_systemd_units
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# need to reload to pick up service/timer/environment changes
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- name: Reload systemd daemon
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systemd: daemon_reload=yes
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when: spamhaus_systemd_units is changed
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- name: Start and enable Spamhaus update timer
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when: ansible_distribution_version is version('16.04', '>=')
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systemd: name=update-spamhaus-lists.timer state=started enabled=yes
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notify:
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- restart firewalld
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- include_tasks: fail2ban.yml
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when: ansible_distribution_version is version('16.04', '>=')
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tags: firewall
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# vim: set sw=2 ts=2:
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