Great list, Rajesh! To build a strong foundation in Azure networking and security, it’s best to learn these topics in a logical progression — starting from basics, moving into connectivity, then security, and finally advanced services. Here’s the order I recommend:
🧩 Step 1: Core Networking Basics
- Configure a Virtual Network Service Endpoint
- Configure an Azure VNet‑to‑VNet Connection
- Configure Virtual Network Connectivity by Using Peering
- Configure Global Virtual Network Peering
- Configure Route Tables in a Virtual Network
- Implement Name Resolution in Azure
🔒 Step 2: Network Security Fundamentals
- Configure Multi‑Scope Network Security
- Configure and Control Network Traffic
- Configure a Network Security Group in a Virtual Network
- Configure an Application Security Group
- Implement Network Security Groups and Application Security Groups
- Configure an Azure Lock (resource protection)
💻 Step 3: Secure Virtual Machines
- Can You Implement a Secure Azure Virtual Machine Network?
- Protect an Azure Virtual Machine That Runs Windows Server 2019 by Using Azure Security Groups
🌐 Step 4: Load Balancing & Traffic Management
- Configure an Azure Load Balancer
- Implement an Azure Load Balancer in Azure
- Implement an Azure Application Gateway
- Implement Azure Front Door
🔥 Step 5: Advanced Security & Connectivity
- Implement a Private Endpoint in Azure
- Implement a Service Endpoint in Azure
- Implement an Azure Firewall
- Implement an Azure ExpressRoute Circuit
- Implement an Azure Virtual WAN
🚀 Suggested Learning Path
- Start with Virtual Networks & Peering → understand how Azure networks connect.
- Move to Security Groups → learn how to control traffic.
- Secure VMs → apply those concepts to workloads.
- Load Balancers & Gateways → manage traffic distribution.
- Advanced Services → firewall, ExpressRoute, Virtual WAN for enterprise-scale networking.
👉 This order ensures you first master fundamentals, then layer on security, and finally explore advanced enterprise features.
Would you like me to also map these into hands-on labs (with Azure CLI/Portal steps) so you can practice each topic in sequence?
Create a key vault
raj@DESKTOP-E7NBI4Q:~$ az account set --subscription 294c1bcb-1d87-48bf-a7a4-4155b630fec4
raj@DESKTOP-E7NBI4Q:~$ az keyvault secret set \
--vault-name mykeyvault62890584 \
--name challenge-secret \
--value mykvstring
{
"attributes": {
"created": "2026-06-22T18:12:23+00:00",
"enabled": true,
"expires": null,
"notBefore": null,
"recoverableDays": 90,
"recoveryLevel": "Recoverable+Purgeable",
"updated": "2026-06-22T18:12:23+00:00"
},
"contentType": null,
"id": "https://mykeyvault62890584.vault.azure.net/secrets/challenge-secret/1d6dd0c12f0249688c5c4cfa0ae779c7",
"kid": null,
"managed": null,
"name": "challenge-secret",
"tags": {
"file-encoding": "utf-8"
},
"value": "mykvstring"
}
raj@DESKTOP-E7NBI4Q:~$ az keyvault secret show \
--vault-name mykeyvault62890584 \
--name challenge-secret
{
"attributes": {
"created": "2026-06-22T18:12:23+00:00",
"enabled": true,
"expires": null,
"notBefore": null,
"recoverableDays": 90,
"recoveryLevel": "Recoverable+Purgeable",
"updated": "2026-06-22T18:12:23+00:00"
},
"contentType": null,
"id": "https://mykeyvault62890584.vault.azure.net/secrets/challenge-secret/1d6dd0c12f0249688c5c4cfa0ae779c7",
"kid": null,
"managed": null,
"name": "challenge-secret",
"tags": {
"file-encoding": "utf-8"
},
"value": "mykvstring"
}
======================Step 2======================================
## 🔍 Step 1: Verify Service Endpoint on Subnet
Run this command to check if the **Microsoft.KeyVault** service endpoint is enabled on your backend subnet:
```bash
az network vnet subnet show \
--resource-group myResourceGroup \
--vnet-name myVnet \
--name backendSubnet \
--query serviceEndpoints
```
- Look for an entry like:
```json
[
{
"service": "Microsoft.KeyVault",
"provisioningState": "Succeeded"
}
]
```
- The `provisioningState` should display **Succeeded**.
---
## 🔒 Step 2: Create Outbound NSG Rule
Add the outbound security rule to the **webapp-nsg**:
```bash
az network nsg rule create \
--resource-group myResourceGroup \
--nsg-name webapp-nsg \
--name AllowKeyVault \
--priority 100 \
--direction Outbound \
--access Allow \
--protocol Tcp \
--source-address-prefixes VirtualNetwork \
--destination-address-prefixes AzureKeyVault \
--destination-port-ranges '*'
```
---
## ✅ Step 3: Verify NSG Rule
List the rules in your NSG to confirm:
```bash
az network nsg rule list \
--resource-group myResourceGroup \
--nsg-name webapp-nsg \
--output table
```
You should see a rule named **AllowKeyVault** with:
- **Source** = VirtualNetwork
- **Destination** = AzureKeyVault
- **Direction** = Outbound
- **Priority** = 100
- **Access** = Allow
---
=====================Step 3===================================
Thanks for sharing the output, Rajesh — now we know your VNet is named VNET (not myVnet) and it already has 2 subnets. That’s why your earlier commands failed: the resource name didn’t match.
Here’s how you can fix it:
🔒 Step 1: Enable Service Endpoint on Backend Subnet
Replace myVnet with the actual VNet name VNET:
az network vnet subnet update \
--resource-group RG1 \
--vnet-name VNET \
--name backendSubnet \
--service-endpoints Microsoft.KeyVault
(If your subnet isn’t literally named backendSubnet, run az network vnet subnet list --resource-group RG1 --vnet-name VNET --output table to see the exact subnet names, then use the correct one.)
🔑 Step 2: Restrict Key Vault Access
Now add the network rule to your Key Vault:
az keyvault network-rule add \
--resource-group RG1 \
--name mykeyvault62890584 \
--vnet-name VNET \
--subnet backendSubnet
✅ Step 3: Verify
Check that the service endpoint is enabled and succeeded:
az network vnet subnet show \
--resource-group RG1 \
--vnet-name VNET \
--name backendSubnet \
--query serviceEndpoints
Expected output:
[
{
"service": "Microsoft.KeyVault",
"provisioningState": "Succeeded"
}
]
=============Stpe 4===========================
Here’s how you complete the service endpoint verification activity with Azure CLI:
🔍 Step 1: Get VM2’s Public IP
Run this command in Cloud Shell:
az vm list-ip-addresses \
--resource-group RG1 \
--name VM2 \
--output table
- Copy the Public IP Address shown for VM2 into the challenge text box.
🔐 Step 2: SSH into VM2
Use the public IP you just copied:
ssh azureadmin@<VM2_Public_IP>
- When prompted, enter the password:
AzurePassw0rd!
🛠 Step 3: Install Azure CLI on VM2
Inside VM2, run:
curl -sL https://aka.ms/InstallAzureCLIDeb | sudo bash
This installs the Azure CLI on the Linux VM.
🔑 Step 4: Sign in with TAP
Run:
az login --use-device-code
- Enter your username:
Admin-62890584@LODSPRODMCA.onmicrosoft.com
- Use the TAP:
Q%tuNf&K
- Complete the login in the browser/device code prompt.
✅ Step 5: Verify Secret Access
Now that VM2 is in the backend subnet (which has the Key Vault service endpoint enabled), you can access the secret:
az keyvault secret show \
--vault-name mykeyvault62890584 \
--name challenge-secret
📋 Step 6: Record Recovery Level
The output will look like:
{
"id": "https://mykeyvault62890584.vault.azure.net/secrets/challenge-secret/...",
"name": "challenge-secret",
"value": "mykvstring",
"attributes": {
"enabled": true,
"recoveryLevel": "CustomizedRecoverable+Purgeable",
"created": "2026-06-22T18:45:00+00:00",
"updated": "2026-06-22T18:45:00+00:00"
}
}
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