Default Security Rules - Get

Reference

Service:: Virtual Networks

API Version:: 2024-03-01

Get the specified default network security rule.

GET https://management.azure.com/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/networkSecurityGroups/{networkSecurityGroupName}/defaultSecurityRules/{defaultSecurityRuleName}?api-version=2024-03-01

URI Parameters

Name	In	Required	Type	Description
defaultSecurityRuleName	path	True	string	The name of the default security rule.
networkSecurityGroupName	path	True	string	The name of the network security group.
resourceGroupName	path	True	string	The name of the resource group.
subscriptionId	path	True	string	The subscription credentials which uniquely identify the Microsoft Azure subscription. The subscription ID forms part of the URI for every service call.
api-version	query	True	string	Client API version.

Responses

Name	Type	Description
200 OK	SecurityRule	Request successful. The operation returns the resulting SecurityRule resource.
Other Status Codes	CloudError	Error response describing why the operation failed.

Security

azure_auth

Azure Active Directory OAuth2 Flow.

Type: oauth2
Flow: implicit
Authorization URL: https://login.microsoftonline.com/common/oauth2/authorize

Scopes

Name	Description
user_impersonation	impersonate your user account

Examples

DefaultSecurityRuleGet

Sample request

GET https://management.azure.com/subscriptions/subid/resourceGroups/testrg/providers/Microsoft.Network/networkSecurityGroups/nsg1/defaultSecurityRules/AllowVnetInBound?api-version=2024-03-01


/**
 * Samples for DefaultSecurityRules Get.
 */
public final class Main {
    /*
     * x-ms-original-file:
     * specification/network/resource-manager/Microsoft.Network/stable/2024-03-01/examples/DefaultSecurityRuleGet.json
     */
    /**
     * Sample code: DefaultSecurityRuleGet.
     * 
     * @param azure The entry point for accessing resource management APIs in Azure.
     */
    public static void defaultSecurityRuleGet(com.azure.resourcemanager.AzureResourceManager azure) {
        azure.networks().manager().serviceClient().getDefaultSecurityRules().getWithResponse("testrg", "nsg1",
            "AllowVnetInBound", com.azure.core.util.Context.NONE);
    }
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

from azure.identity import DefaultAzureCredential

from azure.mgmt.network import NetworkManagementClient

"""
# PREREQUISITES
    pip install azure-identity
    pip install azure-mgmt-network
# USAGE
    python default_security_rule_get.py

    Before run the sample, please set the values of the client ID, tenant ID and client secret
    of the AAD application as environment variables: AZURE_CLIENT_ID, AZURE_TENANT_ID,
    AZURE_CLIENT_SECRET. For more info about how to get the value, please see:
    https://docs.microsoft.com/azure/active-directory/develop/howto-create-service-principal-portal
"""


def main():
    client = NetworkManagementClient(
        credential=DefaultAzureCredential(),
        subscription_id="subid",
    )

    response = client.default_security_rules.get(
        resource_group_name="testrg",
        network_security_group_name="nsg1",
        default_security_rule_name="AllowVnetInBound",
    )
    print(response)


# x-ms-original-file: specification/network/resource-manager/Microsoft.Network/stable/2024-03-01/examples/DefaultSecurityRuleGet.json
if __name__ == "__main__":
    main()

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

package armnetwork_test

import (
	"context"
	"log"

	"github.com/Azure/azure-sdk-for-go/sdk/azidentity"
	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/network/armnetwork/v6"
)

// Generated from example definition: https://github.com/Azure/azure-rest-api-specs/blob/4883fa5dbf6f2c9093fac8ce334547e9dfac68fa/specification/network/resource-manager/Microsoft.Network/stable/2024-03-01/examples/DefaultSecurityRuleGet.json
func ExampleDefaultSecurityRulesClient_Get() {
	cred, err := azidentity.NewDefaultAzureCredential(nil)
	if err != nil {
		log.Fatalf("failed to obtain a credential: %v", err)
	}
	ctx := context.Background()
	clientFactory, err := armnetwork.NewClientFactory("<subscription-id>", cred, nil)
	if err != nil {
		log.Fatalf("failed to create client: %v", err)
	}
	res, err := clientFactory.NewDefaultSecurityRulesClient().Get(ctx, "testrg", "nsg1", "AllowVnetInBound", nil)
	if err != nil {
		log.Fatalf("failed to finish the request: %v", err)
	}
	// You could use response here. We use blank identifier for just demo purposes.
	_ = res
	// If the HTTP response code is 200 as defined in example definition, your response structure would look as follows. Please pay attention that all the values in the output are fake values for just demo purposes.
	// res.SecurityRule = armnetwork.SecurityRule{
	// 	ID: to.Ptr("/subscriptions/subid/resourceGroups/testrg/providers/Microsoft.Network/networkSecurityGroups/nsg1/defaultSecurityRules/AllowVnetInBound"),
	// 	Name: to.Ptr("AllowVnetInBound"),
	// 	Properties: &armnetwork.SecurityRulePropertiesFormat{
	// 		Description: to.Ptr("Allow inbound traffic from all VMs in VNET"),
	// 		Access: to.Ptr(armnetwork.SecurityRuleAccessAllow),
	// 		DestinationAddressPrefix: to.Ptr("VirtualNetwork"),
	// 		DestinationAddressPrefixes: []*string{
	// 		},
	// 		DestinationPortRange: to.Ptr("*"),
	// 		DestinationPortRanges: []*string{
	// 		},
	// 		Direction: to.Ptr(armnetwork.SecurityRuleDirectionInbound),
	// 		Priority: to.Ptr[int32](65000),
	// 		ProvisioningState: to.Ptr(armnetwork.ProvisioningStateSucceeded),
	// 		SourceAddressPrefix: to.Ptr("VirtualNetwork"),
	// 		SourceAddressPrefixes: []*string{
	// 		},
	// 		SourcePortRange: to.Ptr("*"),
	// 		SourcePortRanges: []*string{
	// 		},
	// 		Protocol: to.Ptr(armnetwork.SecurityRuleProtocolAsterisk),
	// 	},
	// }
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

const { NetworkManagementClient } = require("@azure/arm-network");
const { DefaultAzureCredential } = require("@azure/identity");

/**
 * This sample demonstrates how to Get the specified default network security rule.
 *
 * @summary Get the specified default network security rule.
 * x-ms-original-file: specification/network/resource-manager/Microsoft.Network/stable/2024-03-01/examples/DefaultSecurityRuleGet.json
 */
async function defaultSecurityRuleGet() {
  const subscriptionId = process.env["NETWORK_SUBSCRIPTION_ID"] || "subid";
  const resourceGroupName = process.env["NETWORK_RESOURCE_GROUP"] || "testrg";
  const networkSecurityGroupName = "nsg1";
  const defaultSecurityRuleName = "AllowVnetInBound";
  const credential = new DefaultAzureCredential();
  const client = new NetworkManagementClient(credential, subscriptionId);
  const result = await client.defaultSecurityRules.get(
    resourceGroupName,
    networkSecurityGroupName,
    defaultSecurityRuleName,
  );
  console.log(result);
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

using Azure;
using Azure.ResourceManager;
using System;
using System.Threading.Tasks;
using Azure.Core;
using Azure.Identity;
using Azure.ResourceManager.Network;

// Generated from example definition: specification/network/resource-manager/Microsoft.Network/stable/2024-03-01/examples/DefaultSecurityRuleGet.json
// this example is just showing the usage of "DefaultSecurityRules_Get" operation, for the dependent resources, they will have to be created separately.

// get your azure access token, for more details of how Azure SDK get your access token, please refer to https://learn.microsoft.com/en-us/dotnet/azure/sdk/authentication?tabs=command-line
TokenCredential cred = new DefaultAzureCredential();
// authenticate your client
ArmClient client = new ArmClient(cred);

// this example assumes you already have this NetworkSecurityGroupResource created on azure
// for more information of creating NetworkSecurityGroupResource, please refer to the document of NetworkSecurityGroupResource
string subscriptionId = "subid";
string resourceGroupName = "testrg";
string networkSecurityGroupName = "nsg1";
ResourceIdentifier networkSecurityGroupResourceId = NetworkSecurityGroupResource.CreateResourceIdentifier(subscriptionId, resourceGroupName, networkSecurityGroupName);
NetworkSecurityGroupResource networkSecurityGroup = client.GetNetworkSecurityGroupResource(networkSecurityGroupResourceId);

// get the collection of this DefaultSecurityRuleResource
DefaultSecurityRuleCollection collection = networkSecurityGroup.GetDefaultSecurityRules();

// invoke the operation
string defaultSecurityRuleName = "AllowVnetInBound";
NullableResponse<DefaultSecurityRuleResource> response = await collection.GetIfExistsAsync(defaultSecurityRuleName);
DefaultSecurityRuleResource result = response.HasValue ? response.Value : null;

if (result == null)
{
    Console.WriteLine($"Succeeded with null as result");
}
else
{
    // the variable result is a resource, you could call other operations on this instance as well
    // but just for demo, we get its data from this resource instance
    SecurityRuleData resourceData = result.Data;
    // for demo we just print out the id
    Console.WriteLine($"Succeeded on id: {resourceData.Id}");
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

Sample response

Status code:: 200

{
  "name": "AllowVnetInBound",
  "id": "/subscriptions/subid/resourceGroups/testrg/providers/Microsoft.Network/networkSecurityGroups/nsg1/defaultSecurityRules/AllowVnetInBound",
  "properties": {
    "provisioningState": "Succeeded",
    "description": "Allow inbound traffic from all VMs in VNET",
    "protocol": "*",
    "sourcePortRange": "*",
    "destinationPortRange": "*",
    "sourceAddressPrefix": "VirtualNetwork",
    "destinationAddressPrefix": "VirtualNetwork",
    "access": "Allow",
    "priority": 65000,
    "direction": "Inbound",
    "sourcePortRanges": [],
    "destinationPortRanges": [],
    "sourceAddressPrefixes": [],
    "destinationAddressPrefixes": []
  }
}

Definitions

Name	Description
ApplicationSecurityGroup	An application security group in a resource group.
CloudError	An error response from the service.
CloudErrorBody	An error response from the service.
ProvisioningState	The current provisioning state.
SecurityRule	Network security rule.
SecurityRuleAccess	Whether network traffic is allowed or denied.
SecurityRuleDirection	The direction of the rule. The direction specifies if rule will be evaluated on incoming or outgoing traffic.
SecurityRuleProtocol	Network protocol this rule applies to.

ApplicationSecurityGroup

An application security group in a resource group.

Name	Type	Description
etag	string	A unique read-only string that changes whenever the resource is updated.
id	string	Resource ID.
location	string	Resource location.
name	string	Resource name.
properties.provisioningState	ProvisioningState	The provisioning state of the application security group resource.
properties.resourceGuid	string	The resource GUID property of the application security group resource. It uniquely identifies a resource, even if the user changes its name or migrate the resource across subscriptions or resource groups.
tags	object	Resource tags.
type	string	Resource type.

CloudError

An error response from the service.

Name	Type	Description
error	CloudErrorBody	Cloud error body.

CloudErrorBody

An error response from the service.

Name	Type	Description
code	string	An identifier for the error. Codes are invariant and are intended to be consumed programmatically.
details	CloudErrorBody[]	A list of additional details about the error.
message	string	A message describing the error, intended to be suitable for display in a user interface.
target	string	The target of the particular error. For example, the name of the property in error.

ProvisioningState

The current provisioning state.

Name	Type	Description
Deleting	string
Failed	string
Succeeded	string
Updating	string

SecurityRule

Network security rule.

Name	Type	Description
etag	string	A unique read-only string that changes whenever the resource is updated.
id	string	Resource ID.
name	string	The name of the resource that is unique within a resource group. This name can be used to access the resource.
properties.access	SecurityRuleAccess	The network traffic is allowed or denied.
properties.description	string	A description for this rule. Restricted to 140 chars.
properties.destinationAddressPrefix	string	The destination address prefix. CIDR or destination IP range. Asterisk '*' can also be used to match all source IPs. Default tags such as 'VirtualNetwork', 'AzureLoadBalancer' and 'Internet' can also be used.
properties.destinationAddressPrefixes	string[]	The destination address prefixes. CIDR or destination IP ranges.
properties.destinationApplicationSecurityGroups	ApplicationSecurityGroup[]	The application security group specified as destination.
properties.destinationPortRange	string	The destination port or range. Integer or range between 0 and 65535. Asterisk '*' can also be used to match all ports.
properties.destinationPortRanges	string[]	The destination port ranges.
properties.direction	SecurityRuleDirection	The direction of the rule. The direction specifies if rule will be evaluated on incoming or outgoing traffic.
properties.priority	integer	The priority of the rule. The value can be between 100 and 4096. The priority number must be unique for each rule in the collection. The lower the priority number, the higher the priority of the rule.
properties.protocol	SecurityRuleProtocol	Network protocol this rule applies to.
properties.provisioningState	ProvisioningState	The provisioning state of the security rule resource.
properties.sourceAddressPrefix	string	The CIDR or source IP range. Asterisk '*' can also be used to match all source IPs. Default tags such as 'VirtualNetwork', 'AzureLoadBalancer' and 'Internet' can also be used. If this is an ingress rule, specifies where network traffic originates from.
properties.sourceAddressPrefixes	string[]	The CIDR or source IP ranges.
properties.sourceApplicationSecurityGroups	ApplicationSecurityGroup[]	The application security group specified as source.
properties.sourcePortRange	string	The source port or range. Integer or range between 0 and 65535. Asterisk '*' can also be used to match all ports.
properties.sourcePortRanges	string[]	The source port ranges.
type	string	The type of the resource.

SecurityRuleAccess

Whether network traffic is allowed or denied.

Name	Type	Description
Allow	string
Deny	string

SecurityRuleDirection

The direction of the rule. The direction specifies if rule will be evaluated on incoming or outgoing traffic.

Name	Type	Description
Inbound	string
Outbound	string

SecurityRuleProtocol

Network protocol this rule applies to.

Name	Type	Description
*	string
Ah	string
Esp	string
Icmp	string
Tcp	string
Udp	string