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Last updated: 2025-08-04
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Inbound: Internet requests initiated from an outside network to your server or service. Like if you run a web server.Outbound: Connections initiated from your app to other services, like if you connect to a remote database or send SMTP mail.
NSGs are the primary way to control network traffic in Azure virtual networks.
- NSG - Overview
- NSG (Network Security Groups) in Azure: The Fundamentals , Which Direction to Apply Rules
Lets you securely connect on-premises networks to Azure via site-to-site, point-to-site, or VNet-to-VNet connections.
Azure DNS allows hosting of your domains and provides name resolution using Microsoft Azure infrastructure.
ExpressRoute lets you create private connections between Azure datacenters and infrastructure on-premises or in a colocation environment.
Subnetting divides an IP network into sub-networks for better organization and security.
IP Subnetting operation uses a bitwise AND operation. It combines the binary form of an IPv4 address and a subnet mask to get the network address. For example, this is how you find the network address for 192.0.2.11 (11000000000000000000001000001011) and 255.0.0.0 (11111111000000000000000000000000). See the graphic below
Enables resources in different Azure virtual networks to communicate with each other.
Provides network isolation to ensure data security within Azure services.
Securely connect to Azure services over a private link.
Protects your applications from Distributed Denial of Service (DDoS) attacks in Azure.
Distributed denial of service (DDoS). A DDoS attack attempts to exhaust an application's resources, making the application unavailable to legitimate users. DDoS attacks can be targeted at any endpoint that is publicly reachable through the internet.
Refresh Date: 2025-10-29