Option Details When to Use

Amazon S3

Server Access

Logs

S3 data request details - request type, the resources

requested, and the date and time of request

Troubleshoot bucket access

issues and data requests

Amazon ELB

Access Logs

Client's IP address, latencies, and server responses Analyze traffic patterns and

troubleshoot network issues

Amazon VPC

Flow Logs

Monitor network traffic Troubleshoot network

connectivity and security issues