Network Firewall logs unusable

Question

Hi, we are looking at Network Firewall logs but they are almost unusable, as it logs every packet and not sessions.
Is it possible to define some 'alert' rule or run a query to "group" logs of same session?

Answer

If you are sending network firewall logs to CloudWatch Logs, you can use Amazon Athena to query the logs. Athena lets you use SQL type queries over CloudWatch logs in S3.

Here is a link to some more details on using Athena with network firewall logs:
https://docs.aws.amazon.com/athena/latest/ug/querying-network-firewall-logs.html

For even more analysis, you can also use Contributor Insights or CloudWatch Insights to get metrics on common events and themes in your logs:

https://aws.amazon.com/blogs/mt/use-contributor-insights-to-analyze-aws-network-firewall/
https://docs.aws.amazon.com/AmazonCloudWatch/latest/logs/AnalyzingLogData.html

Network Firewall logs unusable

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