Introduction Azure flow logs are a feature in Azure that allows you to capture and analyze network traffic to and from virtual network interfaces (NICs) in Azure. Specifically, flow logs provide granular data about IP traffic flowing through a Network Security Group (NSG). Azure automatically creates a network security group (NSG) when you create a virtual machine: $vmname-nsg. This data includes information on the source and destination IP addresses, ports, and protocols, as well as traffic ...