CloudWatch logging disabled

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Metadata

Id: 7dbba512-e244-42dc-98bb-422339827967

Cloud Provider: aws

Framework: Terraform

Severity: Medium

Category: Observability

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Description

This check verifies whether Amazon Route53 hosted zones have CloudWatch logging enabled by ensuring an aws_route53_query_log resource is associated with the hosted zone and correctly configured. Without query logging, DNS queries to the hosted zone are not captured, making it difficult to detect potential misuse, troubleshoot DNS issues, or comply with audit requirements. Enable logging using the aws_route53_query_log resource, and specify the cloudwatch_log_group_arn and zone_id attributes, as in the following example:

resource "aws_route53_query_log" "example_com" {
  cloudwatch_log_group_arn = aws_cloudwatch_log_group.aws_route53_example_com.arn
  zone_id                  = aws_route53_zone.example_com.zone_id
}

Compliant Code Examples

resource "aws_route53_zone" "example_com" {
  name = "example.com"
}

resource "aws_route53_query_log" "example_com" {
  depends_on = [aws_cloudwatch_log_resource_policy.route53-query-logging-policy]

  cloudwatch_log_group_arn = aws_cloudwatch_log_group.aws_route53_example_com.arn
  zone_id                  = aws_route53_zone.example_com.zone_id
}

Non-Compliant Code Examples

resource "aws_route53_zone" "no_query_log" {
  name = "example.com"
}

resource "aws_route53_zone" "log_group_mismatch" {
  name = "example.com"
}

resource "aws_route53_query_log" "log_group_mismatch" {
  cloudwatch_log_group_arn = aws_cloudwatch_log_group.aws_route53_log_mismatch.arn
}