You have a subnet named Subnet1 that contains Azure virtual machines. A network security group (NSG) named NSG1 is associated to Subnet1. NSG1 only contains the...

You have a subnet named Subnet1 that contains Azure virtual machines. A network security group (NSG) named NSG1 is associated to Subnet1. NSG1 only contains the default rules.
You need to create a rule in NSG1 to prevent the hosts on Subnet1 form connecting to the Azure portal. The hosts must be able to connect to other internet hosts.
To what should you set Destination in the rule?