Vpc flow logs

#vpc #flow_log #flow https://docs.aws.amazon.com/vpc/latest/userguide/flow-logs.html

VPC Flow log is the AWS feature to allow to capture the traffic informations going to and from the network interfaces in the VPC.

Flow logs can be publised to

**Flow can be used to

Diagnose the issue of the security groups, the clue to find something wrong on SG config
Check the traffic in and out of the network interface, direction of traffic.
Monitoring traffic comes in to the instances.

Flow logs can be created for those services