1. Assessment Phase

  • List VPCs and Subnets
  • List CloudWatch Log Groups
  • Verify IAM Role Trust Policy
  • Capture Config Selections

2. Configuration Summary Phase

  • Summarize Configuration

3. Implementation Phase

  • Provision Required Resources
  • Deploy VPC Flow Logs

4. Validation Phase

  • Verify Flow Logs
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Configure VPC Flow Logs

Overview

Configure VPC Flow Logs to ensure comprehensive monitoring and logging of your network traffic within your Virtual Private Cloud (VPC). This plan will guide you through selecting the necessary AWS regions, evaluating existing resources, and setting up VPC Flow Logs to a preferred log destination. After configuring the logs, validation steps will confirm their correct functionality and delivery to your chosen destination, ensuring that your logging infrastructure is both comprehensive and reliable.

Execution Details

Assessment Phase

  1. Select AWS Regions
    Guide users to select AWS regions for applying VPC Flow Logs. The user specifies regions where subsequent tasks will target resources.

  2. List VPCs and Subnets
    Gather and present a detailed list of VPCs and associated subnets within specified regions, aiding in resource selection for VPC Flow Logs.

  3. List CloudWatch Log Groups
    Retrieve and present existing CloudWatch log groups to determine suitability for delivering log data.

  4. Verify IAM Role Trust Policy
    Verify the trust policies of IAM roles to ensure they permit the necessary service interaction for VPC Flow Logs.

  5. Capture Config Selections
    User confirms selections for VPCs/subnets, log destination, traffic type, and resource creation preferences, forming the basis for subsequent configuration.

Configuration Summary Phase

  1. Summarize Configuration
    Consolidate and verify the complete set of user configuration details, including AWS regions, VPC/subnet IDs, log destinations, and traffic settings for final review before setup.

Implementation Phase

  1. Provision Required Resources
    Establish essential resources such as CloudWatch Log Groups, S3 Buckets, Kinesis Streams, and IAM roles with the appropriate permissions to support VPC Flow Logs.

  2. Deploy VPC Flow Logs
    Configure VPC Flow Logs on designated VPCs/subnets using provided user configurations to ensure log data capture and routing.

Validation Phase

  1. Verify Flow Logs
    Confirm the proper activation and routing of VPC Flow Logs by inspecting log entries for correctness concerning destination and traffic settings.

  2. Validate Log Delivery
    Ensure logs reach the designated destination (CloudWatch, S3, or Kinesis) by checking for recent log activity and verifying the operational status of log destinations.