fail2ban

Install and configure fail2ban on your system.

Example Playbook

This example is taken from molecule/resources/playbook.yml:

---
- name: Converge
  hosts: all
  become: yes
  gather_facts: yes

  roles:
    - robertdebock.fail2ban

The machine you are running this on, may need to be prepared.

---
- name: Prepare
  hosts: all
  gather_facts: no
  become: yes

  roles:
    - robertdebock.bootstrap
    - robertdebock.epel

Also see a full explanation and example on how to use these roles.

Role Variables

These variables are set in defaults/main.yml:

---
# defaults file for fail2ban

fail2ban_loglevel: INFO
fail2ban_logtarget: /var/log/fail2ban.log

fail2ban_ignoreself: "true"
fail2ban_ignoreips: "127.0.0.1/8 ::1"
fail2ban_bantime: 10m
fail2ban_findtime: 10m
fail2ban_maxretry: 5
fail2ban_destemail: root@localhost
fail2ban_sender: root@{{ ansible_fqdn}}

Requirements

• Access to a repository containing packages, likely on the internet.
• A recent version of Ansible. (Tests run on the current, previous and next release of Ansible.)

The following roles can be installed to ensure all requirements are met, using ansible-galaxy install -r requirements.yml:

---
- robertdebock.bootstrap
- robertdebock.epel

Context

This role is a part of many compatible roles. Have a look at the documentation of these roles for further information.

Here is an overview of related roles:

Compatibility

This role has been tested on these container images:

container	tag	allow_failures
alpine	latest	no
alpine	edge	yes
debian	stable	yes
debian	unstable	yes
debian	latest	no
centos	7	no
centos	latest	no
fedora	latest	no
fedora	rawhide	yes
opensuse	latest	no
ubuntu	rolling	yes
ubuntu	devel	yes
ubuntu	latest	no

This role has been tested on these Ansible versions:

• ansible~=2.7
• ansible~=2.8
• git+https://github.com/ansible/ansible.git@devel

The indicator '~=' means compatible with. For example 'ansible~=2.8' would pick the latest ansible-2.8, for example ansible-2.8.6.

Testing

Unit tests are done on every commit, pull request, release and periodically.

If you find issues, please register them in GitHub

Testing is done using Tox and Molecule:

Tox tests multiple ansible versions. Molecule tests multiple distributions.

To test using the defaults (any installed ansible version, namespace: robertdebock, image: fedora, tag: latest):

molecule test

# Or select a specific image:
image=ubuntu molecule test
# Or select a specific image and a specific tag:
image="debian" tag="stable" tox

Or you can test multiple versions of Ansible, and select images: Tox allows multiple versions of Ansible to be tested. To run the default (namespace: robertdebock, image: fedora, tag: latest) tests:

tox

# To run CentOS (namespace: `robertdebock`, tag: `latest`)
image="centos" tox
# Or customize more:
image="debian" tag="stable" tox

Modules

This role uses the following modules:

---
- ini_file
- package
- service

License

Apache-2.0

Author Information

Robert de Bock