VPC Flow Logs

  • Capture information about IP traffic going into your interfaces: • VPC Flow Logs

    • Subnet Flow Logs • Elastic Network Interface Flow Logs

  • Helps to monitor & troubleshoot connectivity issues. Example: • Subnets to internet • Subnets to subnets • Internet to subnets

  • Captures network information from AWS managed interfaces too: Elastic Load Balancers, ElastiCache, RDS, Aurora, etc...

  • VPC Flow logs data can go to S3, CloudWatch Logs, and Kinesis Data Firehose

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