VPC Flow Logs can be published to Amazon CloudWatch Logs and Amazon S3. Each method has advantages. Using an AWS S3 source is more reliable, while using a CloudFormation template allows you to customize your logs by adding more information and filtering unwanted data.
You can use either of the following methods to collect Amazon VPC Flow Logs:
- Collect Amazon VPC Flow Logs using AWS S3 source
- Collect Amazon VPC Flow Logs using a CloudFormation template