aws_waf_rule resource

Use the aws_waf_rule Chef InSpec audit resource to test the properties of a single AWS WAF (web application firewall) rule.

The AWS::WAF::Rule resource type creates a firewall rule that identifies the web requests that you want to allow, block, or count.

For additional information, including details on parameters and properties, see the AWS documentation on the AWS::WAF::Rule resource type.

Installation

This resource is available in the Chef InSpec AWS resource pack.

See the Chef InSpec documentation on cloud platforms for information on configuring your AWS environment for InSpec and creating an InSpec profile that uses the InSpec AWS resource pack.

Syntax

Ensure that a WAF rule exists.

describe aws_waf_rule(rule_id: 'RULE_ID') do
  it { should exist }
end

Parameters

rule_id (required): A unique identifier for a WAF rule.

Properties

rule_id: A unique identifier for a rule.
name: The name of the rule.
metric_name: The name of the metrics for this rule.
predicates_negated: False if the AWS WAF rule will allow, block, or count requests based on the settings in the specified ByteMatchSet, IPSet, SqlInjectionMatchSet, XssMatchSet, RegexMatchSet, GeoMatchSet, or SizeConstraintSet object.
predicates_type: The type of predicate in a rule, such as ByteMatch or IPSet.
predicates_data_id: A unique identifier for a predicate in a rule, such as ByteMatchSetId or IPSetId.

Examples

Ensure a rule is available.

describe aws_waf_rule(rule_id: 'RULE_ID') do
  its('rule_id') { should eq 'RULE_ID' }
end

Ensure a rule name is available.

describe aws_waf_rule(rule_id: 'RULE_ID') do
    its('name') { should eq 'RULE_ID_NAME' }
end

Ensure a metric name type is METRIC_NAME.

describe aws_waf_rule(rule_id: 'RULE_ID') do
    its('metric_name') { should include 'METRIC_NAME' }
end

Verify the type of data ID should be ‘DATA_ID’.

describe aws_waf_rule(rule_id: 'RULE_ID') do
    its('predicates_data_id') { should include 'DATA_ID' }
end

Matchers

This InSpec audit resource has the following special matchers. For a full list of available matchers, please visit our Universal Matchers page.

The controls will pass if the get method returns at least one result.

exist

Use should to test that the entity exists.

describe aws_waf_rule(rule_id: 'RULE_ID') do
  it { should exist }
end

Use should_not to test the entity does not exist.

describe aws_waf_rule(rule_id: 'RULE_ID') do
  it { should_not exist }
end

be_available

Use should to check if the entity is available.

describe aws_waf_rule(rule_id: 'RULE_ID') do
  it { should be_available }
end

AWS Permissions

Your Principal will need the WAF:Client:GetRuleResponse action with Effect set to Allow.