How to monitor traffic. May be life traffic monitoring?

Question

I am developing the webapp and suddenly traffic gets so big. There is no users yet only one frontend and one backend developer and the traffic in two weeks is over 150gb. Is there a way to find out what is taking so much traffic? Is it possible that there is life monitoring system in the AWS that I am not aware of?

Answer

You can use VPC Flow Logs to find out where this traffic is coming from. Here is a workshop that walks through setting this up, VPC Flow logs Analysis using Amazon Elasticsearch Service.

You may also want to turn on GuardDuty to detect any threats. GuardDuty also analyzes your VPC Flow Logs as a data source.

How to monitor traffic. May be life traffic monitoring?

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