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firewalld (9) Versions 1.1.4

Installs/Configures firewalld

Policyfile
Berkshelf
Knife
cookbook 'firewalld', '= 1.1.4', :supermarket
cookbook 'firewalld', '= 1.1.4'
knife supermarket install firewalld
knife supermarket download firewalld
README
Dependencies
Changelog
Quality 50%

firewalld LWRP

Build Status
Cookbook Version

Firewalld is the userland interface to dynamically managing a Linux firewall, introduced in Fedora 15 and Centos/RHEL 7.

Resource Overview

This firewalld cookbook provides three resources for adding and removing services, ports, and rules.

interface

The firewalld_interface resource will add a network interface to a zone for the current and permanent configurations. The interface name is a string that should match a network interface on the system. If zone is omitted, default zone will be used.

Actions

  • :add - add the interface to the current and permanent configuration.
  • :change - change the interface to the current and permanent configuration. (default)
  • :remove - remove the interface from the current and permanent configuration.

Attributes

<table>
<tr>
<th>Attribute</th>
<th>Description</th>
<th>Example</th>
<th>Default</th>
</tr>
<tr>
<td>interface</td>
<td>(name attribute) the interface to manage</td>
<td>em1</td>
<td></td>
</tr>
<tr>
<td>zone</td>
<td><code>firewalld</code> zone to add or remove interface from</td>
<td>public</td>
<td>(none, uses default zone)</td>
</tr>
</table>

Default action, :change, associates an interface with a firewall zone:

firewalld_interface 'em1'

This will associate the interface em1 with the default zone.

:add

Add the interface to zone. If zone is omitted, default zone will be used.

firewalld_interface 'em1' do
        action :add
        zone   'internal'
end

:change

Add the interface to zone, and remove it from any other zones it may be associated
with. If zone is omitted, default zone will be used.

firewalld_interface 'em1' do
        action :change
        zone   'internal'
end

:remove

Remove the interface from zone. If zone is omitted, default zone will be used.

firewalld_interface 'em1' do
        action :remove
        zone   'internal'
end

rich_rule

The firewalld_rich_rule resource allows you to create complex rules directly onto the firewall. It will load the rule into the running config and pass it to firewalld with the --permanent flag, to persist it after a reload.

Actions

  • :add - add the rich rule to the current and permanent configuration
  • :remove - remove the rich rule from the current and permanent configuration

Attributes

The attributes for rich_rule map directly to the firewall-cmd (1) command-line parameters. More can be read here: Complex Firewall Rules with Rich Language and firewalld.richlanguage (5).

<table>
<tr>
<th>Attribute</th>
<th>Description</th>
<th>Example</th>
<th>Default</th>
</tr>

<tr>
<td>name</td>
<td>(name attribute) The name of the resource. This is not passed to <code>firewall-cmd</code>.</td>
<td>ssh_add</td>
<td></td>
</tr>

<tr>
<td>zone</td>
<td><code>firewalld</code> zone to add or remove port from</td>
<td>public</td>
<td>(none, uses default zone)</td>
</tr>

<tr>
<td>family</td>
<td>IP family. Choice of 'ipv4' or 'ipv6'.</td>
<td>ipv6</td>
<td>ipv4</td>
</tr>

<tr>
<td>source_address</td>
<td>Limits the origin of a connection attempt to a specific range of IPs.</td>
<td>192.168.100.5/32</td>
<td>(none, not limited)</td>
</tr>

<tr>
<td>destination_address</td>
<td>Limits the target of a connection attempt to a specific range of IPs.</td>
<td>192.168.100.5/32</td>
<td>(none, not limited)</td>
</tr>

<tr>
<td>service_name</td>
<td>The service name is one of the <code>firewalld</code> provided services. To get a list of the supported services, use <code>firewall-cmd --get-services</code>.</td>
<td>ssh</td>
<td></td>
</tr>

<tr>
<td>port_number</td>
<td>Can be a single integer or a port range, for example '5060-5062'. The protocol can be specified. Requires that <code>port_protocol</code> attribute be specified also.</td>
<td>5060</td>
<td></td>
</tr>

<tr>
<td>port_protocol</td>
<td>The protocol for the specified port, can be 'tcp' or 'udp'. Requires that <code>port_number</code> attribute be specified also.</td>
<td>tcp</td>
<td></td>
</tr>

<tr>
<td>log_prefix</td>
<td>Logs new connection attempts with kernel logging. This will prepend the log lines with this prefix.</td>
<td>ssh</td>
<td></td>
</tr>

<tr>
<td>log_level</td>
<td>Can be one of 'emerg', 'alert', 'error', 'warning', 'notice',
'info', or 'debug'.</td>
<td>info</td>
<td></td>
</tr>

<tr>
<td>limit_value</td>
<td>Limits the rate at which logs are written.</td>
<td>1/m</td>
<td>1/m - one write per minute</td>
</tr>

<tr>
<td>firewall_action</td>
<td>Can be one of 'accept', 'reject', or 'drop'. This is the behavior by which all traffic that matches the rule will be handled.</td>
<td>accept</td>
<td></td>
</tr>

</table>

:add

# This opens the ssh service to ip `192.168.100.5` and logs at a rate of
# 1 entry per minute with a prefix of ssh on each log entry.
#

firewalld_rich_rule "ssh_add" do
  zone 'public'
  family 'ipv4'
  source_address '192.168.100.5/32'
  service_name 'ssh'
  log_prefix 'ssh'
  log_level 'info'
  limit_value '1/m'
  firewall_action 'accept'
  action :add
end

service

The firewalld_service resource will add the service for a zone to the current and permanent configurations. The service name is one of the firewalld provided services. To get a list of the supported services, use firewall-cmd --get-services. If zone is omitted, default zone will be used.

Actions

  • :add - add the service to the current and permanent configuration
  • :remove - remove the service from the current and permanent configuration

Attributes

<table>
<tr>
<th>Attribute</th>
<th>Description</th>
<th>Example</th>
<th>Default</th>
</tr>
<tr>
<td>service</td>
<td>(name attribute) the service to manage</td>
<td>http</td>
<td></td>
</tr>
<tr>
<td>zone</td>
<td><code>firewalld</code> zone to add or remove service from</td>
<td>public</td>
<td>(none, uses default zone)</td>
</tr>
</table>

Default action adds a service to the firewall:

firewalld_service 'http'

This will allow access to the http service in the default zone.

:add

Add the service to zone. If zone is omitted, default zone will be used.

firewalld_service 'tftp' do
    action :add
    zone   'public'
end

:remove

Removes the service from zone. If zone is omitted, default zone will be used.

firewalld_service 'telnet' do
action :remove
zone   'public'
end

port

The firewalld_port resource will add the port for a zone to the current and permanent configurations. If zone is omitted, default zone will be used.

Actions

  • :add - add the port to the current and permanent configuration
  • :remove - remove the port from the current and permanent configuration

Attributes

<table>
<tr>
<th>Attribute</th>
<th>Description</th>
<th>Example</th>
<th>Default</th>
</tr>
<tr>
<td>port</td>
<td>(name attribute) the port to manage</td>
<td>993/tcp</td>
<td></td>
</tr>
<tr>
<td>zone</td>
<td><code>firewalld</code> zone to add or remove port from</td>
<td>public</td>
<td>(none, uses default zone)</td>
</tr>
</table>

Default action adds a port to the firewall:

firewalld_port '993/tcp'

This will allow access to TCP port 993 in the default zone.

:add

Add the port to zone. If zone is omitted, default zone will be used.

firewalld_port '993/tcp' do
  action :add
  zone   'public'
end

:remove

Removes the port from zone. If zone is omitted, default zone will be used.

firewalld_port '993/tcp' do
    action :remove
    zone   'public'
end

zone

The firewalld_zone resource will add a firewalld zone for current and permanent configurations.

Actions

  • :create - Default. Use to create a zone. If a zone already exists (but does not match), use to update that zone to match.
  • :create_if_missing - Use to create a zone only if the zone does not exist.
  • :delete - Use to delete a zone.

Attributes

<table>
<tr>
<th>Attribute</th>
<th>Description</th>
<th>Example</th>
<th>Default</th>
</tr>
<tr>
<td>zone</td>
<td>(name attribute) the zone name manage</td>
<td>external</td>
<td></td>
</tr>
<tr>
<td>default</td>
<td>Use to make zone the default zone.</td>
<td>true</td>
<td>nil</td>
</tr>
<tr>
<td>target</td>
<td>Default firewall target. May be one of "default", "ACCEPT", "DROP", or "%%REJECT%%".</td>
<td>ACCEPT</td>
<td>default</td>
</tr>
</table>

Default action, :change, associates an interface with a firewall zone:

firewalld_source '192.168.100.0/24'

This will associate the source IP address range "192.168.100.0/24" with the default zone.

:add

Add the source to zone. If zone is omitted, default zone will be used.

firewalld_source '192.168.0.0/24' do
        action :add
        zone   'internal'
end

:change

Add the source to zone, and remove it from any other zones it may be associated
with. If zone is omitted, default zone will be used.

firewalld_source '192.168.0.0/24' do
        action :change
        zone   'internal'
end

:remove

Remove the interface from zone. If zone is omitted, default zone will be used.

firewalld_interface '192.168.0.0/24' do
        action :remove
        zone   'internal'
end

source

The firewalld_source resource will add a source network address range to a zone for the current and permanent configurations. The source name is a network address in CIDR notation such as "192.168.100.0/24". If zone is omitted, default zone will be used.

Actions

  • :add - add the source to the current and permanent configuration.
  • :change - change the source to the current and permanent configuration. (default)
  • :remove - remove the source from the current and permanent configuration.

Attributes

<table>
<tr>
<th>Attribute</th>
<th>Description</th>
<th>Example</th>
<th>Default</th>
</tr>
<tr>
<td>source</td>
<td>(name attribute) the network subnet specification manage</td>
<td>em1</td>
<td></td>
</tr>
<tr>
<td>zone</td>
<td><code>firewalld</code> zone to add or remove source from</td>
<td>public</td>
<td>(none, uses default zone)</td>
</tr>
</table>

Default action, :create, creates or updates a zone:

firewalld_zone 'database'

This will create a new firewalld zone called "database".

:create

Create or update the zone.

firewalld_zone 'secure' do
  action :create
  target 'DROP'
  default true
end

:create_if_missing

Create the zone only if it does not exist.

firewalld_zone 'database' do
  action :create_if_missing
  target 'DROP'
end

:delete

Delete the zone.

firewalld_zone 'secure' do
        action :delete
end

Recipes

  • default - installs and enables firewalld.
  • disable - disable firewalld and use iptables if node[:firewalld][:iptables_fallback] is set.
  • enable - revert to firewalld if node[:firewalld][:iptables_fallback] is set.

Usage

If you're using Berkshelf, just add firewalld to your
Berksfile and metadata.rb:

# Berksfile
cookbook 'firewalld'

# metadata.rb
depends 'firewalld'

Contributing

  1. Fork the project
  2. Create a feature branch corresponding to you change
  3. Commit and test thoroughly
  4. Create a Pull Request on github

License & Authors

Copyright 2015, Jeff Hutchison

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

Changelog

1.1.3

New

  • Added resources for firewalld zone [University of Illinois Chicago]
  • Make iptables installation conditional on fallback attribute [Rob Nasby]

Fix

  • Correct Foodcritic message FC048 [Ricky Grassmuck]
  • Correct Foodcritic message FC059 [Ricky Grassmuck]
  • Bump ruby version to 2.2.2 in .travis.yaml [Ricky Grassmuck]

1.1.2

New

  • Add support for Debian 8 and Ubuntu 14.04 [Stephen Sadowski]

Fix

  • Normalize default.rb quotes [Jason Martin]
  • Add use_inline_features to providers [Ricky Grassmuck]
  • Add issues_url to metadata.rb [Ricky Grassmuck]
  • Updated travis-ci link in README [Ricky Grassmuck]

1.1.0

New

  • Add enable/disable recipes with fallback to iptables [Stanislav Bogatyrev]

Fix

  • Corrected Foodcritic message FC002 [Stanislav Bogatyrev]

1.0.0

New

  • Add firewalld service LWRP. [Jeff Hutchison]

  • Renamed default spec and recipe to port. [Jeff Hutchison]

Fix

  • Metadata lists support for Fedora 15 and above. [Jeff Hutchison]

  • README usage refers to Chef Supermarket instead of Github. [Jeff Hutchison]

0.3.0

New

  • Add Rich Rule LWRP documentation to README. [Manny Toledo]

  • ChefSpec test added for Rich Rule LWRP. [Manny Toledo]

  • Integration tests added for Rich Rule LWRP. [Manny Toledo]

  • Add rules directly with Rich Rule LWRP! [Manny Toledo]

Fix

  • Correct IPs in tests to more common ranges. [Manny Toledo]

  • Update readme. [Manny Toledo]

  • Add missing defaults in resource file and clean up comment. [Manny Toledo]

0.2.1

New

  • Better README and send email for Travis. [Jeff Hutchison]

  • Update ruby version. [Jeff Hutchison]

  • Add chefspec custom matchers, other cleanup. [Jeff Hutchison]

  • Need berkshelf for chefspec tests in Travis. [Jeff Hutchison]

  • Add chefspec tests. [Jeff Hutchison]

  • Exclude dependencies not used by Travis. [Jeff Hutchison]

  • Enable Travis CI. [Jeff Hutchison]

  • Clean up syntax. [Jeff Hutchison]

  • Use bundler. [Jeff Hutchison]

  • Add more tests. [Jeff Hutchison]

  • Removed attributes not recognized by Berkshelf. [Jeff Hutchison]

  • Add issues url. [Jeff Hutchison]

  • Bump version. [Jeff Hutchison]

  • Update README. [Jeff Hutchison]

  • Update license to Apache v2. [Jeff Hutchison]

  • First version with tests. [Jeff Hutchison]

Collaborator Number Metric
            

1.1.4 failed this metric

Failure: Cookbook has 0 collaborators. A cookbook must have at least 2 collaborators to pass this metric.

Foodcritic Metric
            

1.1.4 passed this metric