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Windows Firewall module for Puppet

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Table of Contents

  1. Overview - What is the windows_firewall module?
  2. Module Description - What does the module do?
  3. Setup - The basics of getting started with windows_firewall
  4. Usage - The classes, defined types, and their parameters available for configuration
  5. Implementation - An under-the-hood peek at what the module is doing
  6. Limitations - OS compatibility, etc.
  7. Development - Guide for contributing to the module
  8. Release Notes - Notes on the most recent updates to the module

Overview

This is a module that will manage the Microsoft Windows Firewall and it's exceptions.

Module Description

The windows_firewall module will primarily manage the state of the windows firewall application on your windows system. Optionally it will also allow you to configure any exceptions that you need to have in place.

Setup

What windows_firewall affects

  • windows firewall service and corresponding Windows Registry keys
  • windows registry keys and values for any defined exception rules

Beginning with windows_firewall

The windows_firewall resource allows you to manage the firewall service itself.

class { 'windows_firewall': ensure => 'stopped' }

On Server 2012 and up, additional features are available to be managed, including Windows firewall zones Domain, Public, and Private via types and providers.

class { 'windows_firewall':
  ensure => 'running',
}
windowsfirewall { 'domain':
  ensure                              => 'present',
  default_outbound_action             => 'allow',
}

You may also query resources on Server 2012 and up via puppet resource windowsfirewall.

Once the windows firewall is managed you may then want to start managing the rules and exceptions within it.

windows_firewall::exception { 'WINRM':
  ensure       => present,
  direction    => 'in',
  action       => 'allow',
  enabled      => true,
  protocol     => 'TCP',
  local_port   => 5985,
  remote_port  => 'any',
  display_name => 'Windows Remote Management HTTP-In',
  description  => 'Inbound rule for Windows Remote Management via WS-Management. [TCP 5985]',
}

If you wish to remove a firewall rule, you may do so by specifying the correct resource title for your rule, the protocol and display_name.

windows_firewall::exception { 'WINRM':
  ensure       => 'absent',
  protocol     => 'TCP',
  display_name => 'Windows Remote Management HTTP-In',
}

Usage

Classes and Defined Types

Class: windows_firewall

Parameters within windows_firewall:

ensure

Determines whether or not the service must be running and enabled. If not included, the module will assume that the windows firewall service should be running and enabled. Valid values are 'running' and 'stopped'.

Defined Type: windows_firewall::exception

Parameters within windows_firewall::exception:

ensure

Determines whether or not the firewall exception is 'present' or 'absent'

direction

Sets the direction of the exception rule, either: 'in' or 'out'.

action

Sets the action type of the exception, either: 'allow' or 'block'.

enabled

Determines whether the exception is enabled, either: 'true' or 'false'. Defaults to 'true'.

protocol

Sets the protocol to be included in the exception rule, either: 'TCP' or 'UDP'.

local_port

Defines the local port to be included in the exception for port-based exception rules, either: an integer between 1 and 65535, a port range (two integers separated by a hyphen, a comma separated list of integers, or the string 'any'.

remote_port

Defines the remote port to be included in the exception for port-based exception rules, either: an integer between 1 and 65535, a port range (two integers separated by a hyphen, a comma separated list of integers, or the string 'any'.

remote_ip

Specifies remote hosts that can use this rule.

program

Defines the full path to the program to be included in the exception for program-based exception rules

display_name

Sets the Display Name of the exception rule. Defaults to the title of the resource.

description

A description of the exception to apply.

allow_edge_traversal

Specifies that the traffic for this exception traverses an edge device

Parameters within windowsfirewall (Limited to 2012 and up)

ensure

Determines whether the firewall zone is Enabled, 'present', or Disabled, 'absent'.

allow_inbound_rules

Specifies whether the firewall blocks inbound traffic or not. If set to 'False', then all inbound firewall rules will be ignored. Accepts 'True', 'False', or 'NotConfigured'. Defaults to 'NotConfigured'.

allow_local_firewall_rules

Specifies whether the local firewall rules should be merged into the effective policy along with Group Policy settings. If set to 'False', then all rules defined by the local administrator are ignored, and only GPO based firewall rules are applied. Accepts 'True', 'False', or 'NotConfigured'. Defaults to 'NotConfigured'.

allow_local_ipsec_rules

Specifies whether the local IPsec rules should be merged into the effective policy along with Group Policy settings. If set to 'False', then all rules defined by the local administrator are ignored, and only GPO based IPsec rules are applied. Accepts 'True', 'False', or 'NotConfigured'. Defaults to 'NotConfigured'.

allow_unicast_response_to_multicast

Allows unicast responses to multi-cast traffic. If set to 'False', the computer discards unicast responses to outgoing multi-cast or broadcast messages. Accepts 'True', 'False', or 'NotConfigured'. Defaults to 'NotConfigured'.

allow_user_apps

Specifies whether traffic from local user applications is allowed through the firewall. Accepts 'True', 'False', or 'NotConfigured'. Defaults to 'NotConfigured'.

allow_user_ports

Specifies whether traffic is allowed through local user ports. Accepts 'True', 'False', or 'NotConfigured'. Defaults to 'NotConfigured'.

default_inbound_action

Specifies how to filter inbound traffic. 'Allow' allows all inbound network traffic, whether or not it matches an inbound rule. Accepts 'Block', 'Allow', or 'NotConfigured'. Defaults to 'Block'.

default_outbound_action

Specifies how to filter outbound traffic. 'Block' blocks outbound network traffic that does not match an outbound rule. Accepts 'Block', 'Allow', or 'NotConfigured'. Defaults to 'Allow'.

disabled_interface_aliases

Specifies a list of interfaces on which firewall settings are excluded.

enable_stealth_mode_for_ipsec

Enables stealth mode for IPsec traffic. If set to 'True', it will block outgoing ICMP unreachable and TCP reset messages for a port when no application is listening on that port. Accepts 'True', 'False', or 'NotConfigured'. Defaults to 'NotConfigured'.

log_allowed

Specifies how to handle logging for allowed packets. If set to 'True', Windows writes an entry to the log whenever an incoming or outgoing connection is allowed by the policy. Accepts 'True', 'False', or 'NotConfigured'. Defaults to 'False'.

log_blocked

Specifies how to handle logging for dropped packets. If set to 'True', Windows writes an entry to the log whenever an incoming or outgoing connection is prevented by the policy. Accepts 'True', 'False', or 'NotConfigured'. Defaults to 'False'.

log_ignored

Specifies how to handle logging for ignored packets. If set to 'True', windows writes an entry to the log whenever an incoming or outgoing connection is prevented by the policy. Accepts 'True', 'False', or 'NotConfigured'. Defaults to 'False'.

log_file_name

Specifies the path and filename of the file to which log entries are written. Accepts windows environment variables. Defaults to %windir%\system32\logfiles\firewall\pfirewall.log.

log_max_size_kilobytes

Specifies the maximum file size of the log. Accepts a number between '1' and '32767'. Defaults to '4096'.

notify_on_listen

Specifies whether user gets notified when an application starts listening for inbound connections. If set to 'False', Windows does not notify the user whenever a program or service starts listening for inbound connections. Accepts 'True', 'False', or 'NotConfigured'. Defaults to 'True'.

Reference

Classes

Public Classes

  • windows_firewall: The main class of the module for managing the state of the windows firewall.

Defined Types

Public Types

  • [windows_firewall::exception] Manages the configuration of firewall exceptions

Module Specific Provider

  • [windowsfirewall] Manages the configuration of firewall zones.

Limitations

This module is tested on the following platforms:

  • Windows 2008 R2, Windows 2012 R2, and Windows 2016.

Development

Contributing

Please read CONTRIBUTING.md for full details on contributing to this project.