Box 1: able to connect to East US 2
The StorageEA2Allow has DestinationAddressPrefix {Storage/EastUS2}
Box 2: allowed -
TCP Port 21 controls the FTP session. Contoso_FTP has SourceAddressPrefix {1.2.3.4/32} and DestinationAddressPrefix {10.0.0.5/32}
Note:
The Get-AzureRmNetworkSecurityRuleConfig cmdlet gets a network security rule configuration for an Azure network security group.
Security rules in network security groups enable you to filter the type of network traffic that can flow in and out of virtual network subnets and network interfaces.
Reference:
https://docs.microsoft.com/en-us/azure/virtual-network/manage-network-security-group
