Description

PostgreSQL does not maintain the beginning or ending of a connection internally for later review. It is only by enabling the logging of these that one can examine connections for failed attempts, 'over long' duration, or other anomalies.

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  Recommended Mitigation

  Further relevant information can be found in the following AWS documentation: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Appendix.PostgreSQL.CommonDBATasks.Parameters.html