Class: SecurityGroupEgressPortRangeRule

Inherits:
BaseRule
  • Object
show all
Defined in:
lib/cfn-nag/custom_rules/SecurityGroupEgressPortRangeRule.rb

Instance Method Summary collapse

Methods inherited from BaseRule

#audit

Instance Method Details

#audit_impl(cfn_model) ⇒ Object

This will behave slightly different than the legacy jq based rule which was targeted against inline ingress only



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# File 'lib/cfn-nag/custom_rules/SecurityGroupEgressPortRangeRule.rb', line 22

def audit_impl(cfn_model)
  violating_security_groups = cfn_model.security_groups.select do |security_group|
    violating_egresses = security_group.egresses.select do |egress|
      egress.fromPort != egress.toPort
    end

    !violating_egresses.empty?
  end

  violating_egresses = cfn_model.standalone_egress.select do |standalone_egress|
    standalone_egress.fromPort != standalone_egress.toPort
  end

  violating_security_groups.map(&:logical_resource_id) + violating_egresses.map(&:logical_resource_id)
end

#rule_idObject



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# File 'lib/cfn-nag/custom_rules/SecurityGroupEgressPortRangeRule.rb', line 15

def rule_id
  'W29'
end

#rule_textObject



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# File 'lib/cfn-nag/custom_rules/SecurityGroupEgressPortRangeRule.rb', line 7

def rule_text
  'Security Groups found egress with port range instead of just a single port'
end

#rule_typeObject



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# File 'lib/cfn-nag/custom_rules/SecurityGroupEgressPortRangeRule.rb', line 11

def rule_type
  Violation::WARNING
end