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ansible-role-firewall

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Manage firewall ports on all (known) Linux operating systems.

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# [Ansible role firewall](#ansible-role-firewall)

Manage firewall ports on all (known) Linux operating systems.

|GitHub|GitLab|Downloads|Version|
|------|------|---------|-------|
|[![github](https://github.com/robertdebock/ansible-role-firewall/workflows/Ansible%20Molecule/badge.svg)](https://github.com/robertdebock/ansible-role-firewall/actions)|[![gitlab](https://gitlab.com/robertdebock-iac/ansible-role-firewall/badges/master/pipeline.svg)](https://gitlab.com/robertdebock-iac/ansible-role-firewall)|[![downloads](https://img.shields.io/ansible/role/d/robertdebock/firewall)](https://galaxy.ansible.com/robertdebock/firewall)|[![Version](https://img.shields.io/github/release/robertdebock/ansible-role-firewall.svg)](https://github.com/robertdebock/ansible-role-firewall/releases/)|

## [Example Playbook](#example-playbook)

This example is taken from [`molecule/default/converge.yml`](https://github.com/robertdebock/ansible-role-firewall/blob/master/molecule/default/converge.yml) and is tested on each push, pull request and release.

```yaml
---
- name: Converge
  hosts: all
  become: true
  gather_facts: true

roles:
    - name: robertdebock.firewall
      firewall_services:
        - name: 1337
```

The machine needs to be prepared. In CI this is done using [`molecule/default/prepare.yml`](https://github.com/robertdebock/ansible-role-firewall/blob/master/molecule/default/prepare.yml):

```yaml
---
- name: Prepare
  hosts: all
  become: true
  gather_facts: false

roles:
    - role: robertdebock.bootstrap
```

Also see a [full explanation and example](https://robertdebock.nl/how-to-use-these-roles.html) on how to use these roles.

## [Role Variables](#role-variables)

The default values for the variables are set in [`defaults/main.yml`](https://github.com/robertdebock/ansible-role-firewall/blob/master/defaults/main.yml):

```yaml
---
# defaults file for firewall

# If you don't specify a protocol in `firewall_services`, fall back to this.
firewall_default_protocol: tcp

# If you don't specify a rule in `firewall_services`, fall back to this.
firewall_default_rule: allow

# A list of service to allow traffic to.
firewall_services:
  - name: ssh

# A bit more difficult example:
# firewall_services:
#   - name: ssh
#   - name: https
#   - name: 5353
#     protocol: udp
#   - name: 1234
#     protocol: tcp
#   - name: 1337
#     state: absent
```

## [Requirements](#requirements)

- pip packages listed in [requirements.txt](https://github.com/robertdebock/ansible-role-firewall/blob/master/requirements.txt).

## [State of used roles](#state-of-used-roles)

The following roles are used to prepare a system. You can prepare your system in another way.

| Requirement | GitHub | GitLab |
|-------------|--------|--------|
|[robertdebock.bootstrap](https://galaxy.ansible.com/robertdebock/bootstrap)|[![Build Status GitHub](https://github.com/robertdebock/ansible-role-bootstrap/workflows/Ansible%20Molecule/badge.svg)](https://github.com/robertdebock/ansible-role-bootstrap/actions)|[![Build Status GitLab](https://gitlab.com/robertdebock-iac/ansible-role-bootstrap/badges/master/pipeline.svg)](https://gitlab.com/robertdebock-iac/ansible-role-bootstrap)|

## [Context](#context)

This role is part of many compatible roles. Have a look at [the documentation of these roles](https://robertdebock.nl/) for further information.

Here is an overview of related roles:
![dependencies](https://raw.githubusercontent.com/robertdebock/ansible-role-firewall/png/requirements.png "Dependencies")

## [Compatibility](#compatibility)

This role has been tested on these [container images](https://hub.docker.com/u/robertdebock):

|container|tags|
|---------|----|
|[Alpine](https://hub.docker.com/r/robertdebock/alpine)|all|
|[EL](https://hub.docker.com/r/robertdebock/enterpriselinux)|9|
|[Debian](https://hub.docker.com/r/robertdebock/debian)|all|
|[Fedora](https://hub.docker.com/r/robertdebock/fedora)|all|
|[Ubuntu](https://hub.docker.com/r/robertdebock/ubuntu)|all|

The minimum version of Ansible required is 2.12, tests have been done on:

- The previous version.
- The current version.
- The development version.

If you find issues, please register them on [GitHub](https://github.com/robertdebock/ansible-role-firewall/issues).

## [License](#license)

[Apache-2.0](https://github.com/robertdebock/ansible-role-firewall/blob/master/LICENSE).

## [Author Information](#author-information)

[robertdebock](https://robertdebock.nl/)

Please consider [sponsoring me](https://github.com/sponsors/robertdebock).

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