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firewalld resource

Use the firewalld Chef InSpec audit resource to test that firewalld is configured to allow and deny access to specific hosts, services and ports on a system.

A firewalld has a number of zones that can be configured to allow and deny access to specific hosts, services, and ports.

Availability

Installation

This resource is distributed with Chef InSpec and is automatically available for use.

Version

This resource first became available in v1.40.0 of InSpec.

Syntax

describe firewalld do
  it { should be_running }
  its('default_zone') { should eq 'public' }
  it { should have_service_enabled_in_zone('ssh', 'public') }
  it { should have_rule_enabled('family=ipv4 source address=192.168.0.14 accept', 'public') }
end

Use the where clause to test open interfaces, sources, and services that are in active zones.

describe firewalld.where { zone == 'public' } do
  its('interfaces') { should cmp ['enp0s3', 'eno2'] }
  its('sources') { should cmp ['192.168.1.0/24', '192.168.1.2'] }
  its('services') { should cmp ['ssh', 'icmp'] }
  its('target') { should cmp ['default'] }
end

Properties

interfaces

The interfaces property is used in conjunction with the where class to display open interfaces in an active zone.

describe firewalld.where { zone == 'public' } do
  its('interfaces') { should cmp ['enp0s3', 'eno2'] }
end

sources

The sources property is used in conjunction with the where class to display open sources in an active zone.

describe firewalld.where { zone == 'public' } do
  its('sources') { should cmp ['192.168.1.0/24', '192.168.1.2'] }
end

services

The services property is used in conjunction with the where class to display open services in an active zone.

describe firewalld.where { zone == 'public' } do
  its('services') { should cmp ['ssh', 'icmp'] }
end

target

The target property is used in conjunction with the where class to display the target action in an active zone.

describe firewalld.where { zone == 'public' } do
  its('target') { should cmp ['default'] } # or ['DROP'], ['ACCEPT'], etc.
end

ports

The ports property is used in conjunction with the where class to display the ports used by an active zone.

describe firewalld.where { zone == 'public' } do
  its('ports') { should cmp ["80/tcp", "443/tcp"] }
end

protocols

The protocols property is used in conjunction with the where class to display the protocols used by an active zone.

describe firewalld.where { zone == 'public' } do
  its('protocols') { should cmp ["icmp", "ipv4"] }
end

default_zone

The default_zone property displays the default active zone to be used.

its('default_zone') { should eq 'public' }

Matchers

For a full list of available matchers, please visit our matchers page.

be_installed

The be_installed matcher tests if the firewalld service is installed:

it { should be_installed }

be_running

The be_running matcher tests if the firewalld service is running:

it { should be_running }

have_zone

have_zone returns true or false if the zone is set on firewalld. It does not mean the zone is active.

it { should have_zone('public') }

have_service_enabled_in_zone

have_service_enabled_in_zone returns true or false if the service is allowed in the specified zone.

it { should have_service_enabled_in_zone('ssh', 'public') }

have_port_enabled_in_zone

have_port_enabled_in_zone returns true or false if the port is allowed in the specified zone.

it { should have_port_enabled_in_zone('22/tcp', 'public') }

have_rule_enabled

have_rule_enabled returns true or false if the rich-rule has been specified in the zone.

it { should have_rule_enabled('family=ipv4 source address=192.168.0.14 accept', 'public') }

It is not necessary to add the “rule” string, and you can start with the optional flags that are used in firewalld and end with the action.

have_icmp_block_inversion_enabled

have_icmp_block_inversion_enabled returns true or false if ICMP block inversion flag is set for the indicated zone.

it { should have_icmp_block_inversion_enabled }

have_masquerade_enabled

have_masquerade_enabled returns true or false if the masquerade flag is set for the indicated zone.

it { should have_masquerade_enabled }
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