![](https://blog.kloud.com.au/wp-content/uploads/2017/11/112117_0215_azureapplic2.png)
Azure Application Security Groups
Azure Application Security Groups (ASG) are a new feature, currently in Preview, that allows for configuring network security using an application-centric approach within Network Security Groups (NSG). This approach allows for the grouping of Virtual Machines logicaly, irrespective of their IP address or subnet assignment within a VNet.
They work by assigning the network interfaces of virtual machines, as members of the ASG. ASGs are then used within NSGs as either a source or destination of a rule, and this provides additional options and flexibility for controlling network flows of resources within a subnet.… [Keep reading] “Azure Application Security Groups”