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3.3.3. App Service and Azure SQL Network Integration
💡 First Principle: PaaS services like App Service and Azure SQL have unique networking considerations because they're multi-tenant by default. Network integration options vary by service tier.
App Service Network Integration
| Feature | Standard/Premium | Isolated (ASE) |
|---|---|---|
| VNet Integration (outbound) | Yes | Yes |
| Private Endpoint (inbound) | Yes | Yes |
| Deploy directly in VNet | No | Yes |
⚠️ Exam Trap: Thinking you can deploy a Standard tier App Service directly into a VNet subnet. Only the Isolated tier (App Service Environment) can be deployed directly into a VNet. Standard tier uses VNet Integration for outbound and Private Endpoints for inbound.
Azure SQL Managed Instance
- Deployment: Directly into a VNet subnet
- Requirement: Dedicated subnet with specific delegation
- Network security: NSGs applied to the subnet
Written byAlvin Varughese
Founder•15 professional certifications