# AzureSubnetResource.withNetworkSecurityGroup

- Module: [Aspire.Hosting.Azure.Network](/reference/api/typescript/aspire.hosting.azure.network.md)
- Defined on: [AzureSubnetResource](/reference/api/typescript/aspire.hosting.azure.network/azuresubnetresource.md)
- Version: `13.4.0`
- Kind: `method`

Associates a Network Security Group with the subnet.

## Definition

```typescript
interface AzureSubnetResource {
  // ... omitted for brevity
  withNetworkSecurityGroup(nsg: AzureNetworkSecurityGroupResource): AzureSubnetResource;
}
```

## Signature

```typescript
withNetworkSecurityGroup(nsg: AzureNetworkSecurityGroupResource): AzureSubnetResource
```

## Parameters

- `nsg` ([AzureNetworkSecurityGroupResource](/reference/api/typescript/aspire.hosting.azure.network/azurenetworksecuritygroupresource.md))

## Returns

[AzureSubnetResource](/reference/api/typescript/aspire.hosting.azure.network/azuresubnetresource.md) `builder`

## Defined on

- [AzureSubnetResource](/reference/api/typescript/aspire.hosting.azure.network/azuresubnetresource.md) -- `handle`