Azure Application Gateway is a web traffic load balancer which enables managing traffic to the web applications.

Azure Web Application Firewall (WAF) on Azure Front Door provides centralised protection for your web applications.

A network interface enables an Azure Virtual Machine to communicate with internet, Azure, and on-premises resources.

Azure network security group enables filtering network traffic to and from Azure resources in an Azure Virtual Network.

Azure Private DNS provides a reliable, secure DNS service to manage and resolve domain names in a virtual network without the need to add a custom DNS solution.

Public IP addresses enable Azure resources to communicate to Internet and public-facing Azure services.

Azure Traffic Manager is a DNS-based traffic load balancer.

An Azure Virtual Network (V-Net) is a representation of your own network in the cloud.

A VPN gateway is a specific type of virtual network gateway that is used to send encrypted traffic between an Azure virtual network and an on-premises location over the public Internet.

Azure NAT Gateway is a managed network service in Microsoft Azure that provides outbound Internet connectivity for virtual networks.

Azure Private DNS resolver is a service that enables Azure Virtual Network resources to resolve domain names in a private zone without the need for a public DNS resolution.