A company has multiple applications that run on Amazon EC2 instances in private subnets in a VPC. The company has deployed multiple NAT gateways in multiple Availability Zones for internet access. The company wants to block certain websites from being accessed through the NAT gateways. The company also wants to identify the internet destinations that the EC2 instances access. The company has already created VPC flow logs for the NAT gateways' elastic network interfaces. Which solution will meet these requirements?