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Amazon CloudWatch Logs now supports Network Load Balancer access logs

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This article announces that Amazon CloudWatch Logs now supports Network Load Balancer (NLB) access logs as vended logs, enhancing network traffic observability and troubleshooting capabilities.

  • NLB access logs can be analyzed directly in CloudWatch Logs for insights into client connections and traffic distribution
  • Use CloudWatch Logs Insights queries to track detailed access patterns and identify network issues
  • Create metric filters for monitoring and set up real-time alerting based on log patterns
  • Enable NLB access logs via AWS Management Console, AWS CLI, or SDKs
  • Logs can be delivered to CloudWatch Logs, Amazon Data Firehose, or Amazon S3 with Parquet format support
  • Feature available in all AWS Regions where NLB and CloudWatch Logs are supported
  • Vended logs charged; S3 delivery free; Parquet conversion costs $0.035 per GB

This integration simplifies NLB monitoring by enabling centralized log analysis and real-time alerting within CloudWatch Logs.



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