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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 against the following distributions and Ansible version:

distribution	ansible 2.7	ansible 2.8	ansible devel
alpine-edge*	yes	yes	yes*
alpine-latest	yes	yes	yes*
archlinux	yes	yes	yes*
centos-6	yes	yes	yes*
centos-latest	yes	yes	yes*
debian-stable	yes	yes	yes*
debian-unstable*	yes	yes	yes*
fedora-latest	yes	yes	yes*
fedora-rawhide*	yes	yes	yes*
opensuse-leap	yes	yes	yes*
ubuntu-devel*	yes	yes	yes*
ubuntu-latest	yes	yes	yes*
ubuntu-rolling	yes	yes	yes*

A single star means the build may fail, it's marked as an experimental build.

Testing

Unit tests are done on every commit and periodically.

If you find issues, please register them in GitHub

To test this role locally please use Molecule:

pip install molecule
molecule test

To test on Amazon EC2, configure ~/.aws/credentials and set a region using export AWS_REGION=eu-central-1 before running molecule test --scenario-name ec2.

There are many specific scenarios available, please have a look in the molecule/ directory.

License

Apache-2.0

Author Information

Robert de Bock

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