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Get-AzNetworkSecurityGroup

Gets a network security group.

Syntax

Get-AzNetworkSecurityGroup
   [-Name <String>]
   [-ResourceGroupName <String>]
   [-DefaultProfile <IAzureContextContainer>]
   [<CommonParameters>]
Get-AzNetworkSecurityGroup
   -Name <String>
   -ResourceGroupName <String>
   -ExpandResource <String>
   [-DefaultProfile <IAzureContextContainer>]
   [<CommonParameters>]

Description

The Get-AzNetworkSecurityGroup cmdlet gets an Azure network security group.

Examples

Example 1: Retrieve an existing network security group

Get-AzNetworkSecurityGroup -Name nsg1 -ResourceGroupName "rg1"
Name                        : nsg1
ResourceGroupName           : rg1
Location                    : eastus
Id                          : /subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/provider
                              s/Microsoft.Network/networkSecurityGroups/nsg1
Etag                        : W/"00000000-0000-0000-0000-000000000000"
ResourceGuid                : 00000000-0000-0000-0000-000000000000
ProvisioningState           : Succeeded
Tags                        :
FlushConnection             : False
SecurityRules               : []
DefaultSecurityRules        : [
                                {
                                  "Name": "AllowVnetInBound",
                                  "Etag": "W/\"00000000-0000-0000-0000-000000000000\"",
                                  "Id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/provide
                              rs/Microsoft.Network/networkSecurityGroups/nsg1/defaultSecurityRules/AllowVnetInBound",
                                  "Description": "Allow inbound traffic from all VMs in VNET",
                                  "Protocol": "*",
                                  "SourcePortRange": [
                                    "*"
                                  ],
                                  "DestinationPortRange": [
                                    "*"
                                  ],
                                  "SourceAddressPrefix": [
                                    "VirtualNetwork"
                                  ],
                                  "DestinationAddressPrefix": [
                                    "VirtualNetwork"
                                  ],
                                  "Access": "Allow",
                                  "Priority": 65000,
                                  "Direction": "Inbound",
                                  "ProvisioningState": "Succeeded",
                                  "SourceApplicationSecurityGroups": [],
                                  "DestinationApplicationSecurityGroups": []
                                },
                                {
                                  "Name": "AllowAzureLoadBalancerInBound",
                                  "Etag": "W/\"00000000-0000-0000-0000-000000000000\"",
                                  "Id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/provide
                              rs/Microsoft.Network/networkSecurityGroups/nsg1/defaultSecurityRules/AllowAzureLoadBalancerInBou
                              nd",
                                  "Description": "Allow inbound traffic from azure load balancer",
                                  "Protocol": "*",
                                  "SourcePortRange": [
                                    "*"
                                  ],
                                  "DestinationPortRange": [
                                    "*"
                                  ],
                                  "SourceAddressPrefix": [
                                    "AzureLoadBalancer"
                                  ],
                                  "DestinationAddressPrefix": [
                                    "*"
                                  ],
                                  "Access": "Allow",
                                  "Priority": 65001,
                                  "Direction": "Inbound",
                                  "ProvisioningState": "Succeeded",
                                  "SourceApplicationSecurityGroups": [],
                                  "DestinationApplicationSecurityGroups": []
                                },
                                {
                                  "Name": "DenyAllInBound",
                                  "Etag": "W/\"00000000-0000-0000-0000-000000000000\"",
                                  "Id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/provide
                              rs/Microsoft.Network/networkSecurityGroups/nsg1/defaultSecurityRules/DenyAllInBound",
                                  "Description": "Deny all inbound traffic",
                                  "Protocol": "*",
                                  "SourcePortRange": [
                                    "*"
                                  ],
                                  "DestinationPortRange": [
                                    "*"
                                  ],
                                  "SourceAddressPrefix": [
                                    "*"
                                  ],
                                  "DestinationAddressPrefix": [
                                    "*"
                                  ],
                                  "Access": "Deny",
                                  "Priority": 65500,
                                  "Direction": "Inbound",
                                  "ProvisioningState": "Succeeded",
                                  "SourceApplicationSecurityGroups": [],
                                  "DestinationApplicationSecurityGroups": []
                                },
                                {
                                  "Name": "AllowVnetOutBound",
                                  "Etag": "W/\"00000000-0000-0000-0000-000000000000\"",
                                  "Id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/provide
                              rs/Microsoft.Network/networkSecurityGroups/nsg1/defaultSecurityRules/AllowVnetOutBound",
                                  "Description": "Allow outbound traffic from all VMs to all VMs in VNET",
                                  "Protocol": "*",
                                  "SourcePortRange": [
                                    "*"
                                  ],
                                  "DestinationPortRange": [
                                    "*"
                                  ],
                                  "SourceAddressPrefix": [
                                    "VirtualNetwork"
                                  ],
                                  "DestinationAddressPrefix": [
                                    "VirtualNetwork"
                                  ],
                                  "Access": "Allow",
                                  "Priority": 65000,
                                  "Direction": "Outbound",
                                  "ProvisioningState": "Succeeded",
                                  "SourceApplicationSecurityGroups": [],
                                  "DestinationApplicationSecurityGroups": []
                                },
                                {
                                  "Name": "AllowInternetOutBound",
                                  "Etag": "W/\"00000000-0000-0000-0000-000000000000\"",
                                  "Id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/provide
                              rs/Microsoft.Network/networkSecurityGroups/nsg1/defaultSecurityRules/AllowInternetOutBound",
                                  "Description": "Allow outbound traffic from all VMs to Internet",
                                  "Protocol": "*",
                                  "SourcePortRange": [
                                    "*"
                                  ],
                                  "DestinationPortRange": [
                                    "*"
                                  ],
                                  "SourceAddressPrefix": [
                                    "*"
                                  ],
                                  "DestinationAddressPrefix": [
                                    "Internet"
                                  ],
                                  "Access": "Allow",
                                  "Priority": 65001,
                                  "Direction": "Outbound",
                                  "ProvisioningState": "Succeeded",
                                  "SourceApplicationSecurityGroups": [],
                                  "DestinationApplicationSecurityGroups": []
                                },
                                {
                                  "Name": "DenyAllOutBound",
                                  "Etag": "W/\"00000000-0000-0000-0000-000000000000\"",
                                  "Id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/provide
                              rs/Microsoft.Network/networkSecurityGroups/nsg1/defaultSecurityRules/DenyAllOutBound",
                                  "Description": "Deny all outbound traffic",
                                  "Protocol": "*",
                                  "SourcePortRange": [
                                    "*"
                                  ],
                                  "DestinationPortRange": [
                                    "*"
                                  ],
                                  "SourceAddressPrefix": [
                                    "*"
                                  ],
                                  "DestinationAddressPrefix": [
                                    "*"
                                  ],
                                  "Access": "Deny",
                                  "Priority": 65500,
                                  "Direction": "Outbound",
                                  "ProvisioningState": "Succeeded",
                                  "SourceApplicationSecurityGroups": [],
                                  "DestinationApplicationSecurityGroups": []
                                }
                              ]
NetworkInterfaces           : []
Subnets                     : []

This command returns contents of Azure network security group "nsg1" in resource group "rg1"

Example 2: List existing network security groups using filtering

Get-AzNetworkSecurityGroup -Name nsg*
Name                        : nsg1
ResourceGroupName           : rg1
Location                    : eastus
Id                          : /subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/provider
                              s/Microsoft.Network/networkSecurityGroups/nsg1
Etag                        : W/"00000000-0000-0000-0000-000000000000"
ResourceGuid                : 00000000-0000-0000-0000-000000000000
ProvisioningState           : Succeeded
Tags                        :
FlushConnection             : False
SecurityRules               : []
DefaultSecurityRules        : [
                                {
                                  "Name": "AllowVnetInBound",
                                  "Etag": "W/\"00000000-0000-0000-0000-000000000000\"",
                                  "Id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/provide
                              rs/Microsoft.Network/networkSecurityGroups/nsg1/defaultSecurityRules/AllowVnetInBound",
                                  "Description": "Allow inbound traffic from all VMs in VNET",
                                  "Protocol": "*",
                                  "SourcePortRange": [
                                    "*"
                                  ],
                                  "DestinationPortRange": [
                                    "*"
                                  ],
                                  "SourceAddressPrefix": [
                                    "VirtualNetwork"
                                  ],
                                  "DestinationAddressPrefix": [
                                    "VirtualNetwork"
                                  ],
                                  "Access": "Allow",
                                  "Priority": 65000,
                                  "Direction": "Inbound",
                                  "ProvisioningState": "Succeeded",
                                  "SourceApplicationSecurityGroups": [],
                                  "DestinationApplicationSecurityGroups": []
                                },
                                {
                                  "Name": "AllowAzureLoadBalancerInBound",
                                  "Etag": "W/\"00000000-0000-0000-0000-000000000000\"",
                                  "Id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/provide
                              rs/Microsoft.Network/networkSecurityGroups/nsg1/defaultSecurityRules/AllowAzureLoadBalancerInBou
                              nd",
                                  "Description": "Allow inbound traffic from azure load balancer",
                                  "Protocol": "*",
                                  "SourcePortRange": [
                                    "*"
                                  ],
                                  "DestinationPortRange": [
                                    "*"
                                  ],
                                  "SourceAddressPrefix": [
                                    "AzureLoadBalancer"
                                  ],
                                  "DestinationAddressPrefix": [
                                    "*"
                                  ],
                                  "Access": "Allow",
                                  "Priority": 65001,
                                  "Direction": "Inbound",
                                  "ProvisioningState": "Succeeded",
                                  "SourceApplicationSecurityGroups": [],
                                  "DestinationApplicationSecurityGroups": []
                                },
                                {
                                  "Name": "DenyAllInBound",
                                  "Etag": "W/\"00000000-0000-0000-0000-000000000000\"",
                                  "Id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/provide
                              rs/Microsoft.Network/networkSecurityGroups/nsg1/defaultSecurityRules/DenyAllInBound",
                                  "Description": "Deny all inbound traffic",
                                  "Protocol": "*",
                                  "SourcePortRange": [
                                    "*"
                                  ],
                                  "DestinationPortRange": [
                                    "*"
                                  ],
                                  "SourceAddressPrefix": [
                                    "*"
                                  ],
                                  "DestinationAddressPrefix": [
                                    "*"
                                  ],
                                  "Access": "Deny",
                                  "Priority": 65500,
                                  "Direction": "Inbound",
                                  "ProvisioningState": "Succeeded",
                                  "SourceApplicationSecurityGroups": [],
                                  "DestinationApplicationSecurityGroups": []
                                },
                                {
                                  "Name": "AllowVnetOutBound",
                                  "Etag": "W/\"00000000-0000-0000-0000-000000000000\"",
                                  "Id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/provide
                              rs/Microsoft.Network/networkSecurityGroups/nsg1/defaultSecurityRules/AllowVnetOutBound",
                                  "Description": "Allow outbound traffic from all VMs to all VMs in VNET",
                                  "Protocol": "*",
                                  "SourcePortRange": [
                                    "*"
                                  ],
                                  "DestinationPortRange": [
                                    "*"
                                  ],
                                  "SourceAddressPrefix": [
                                    "VirtualNetwork"
                                  ],
                                  "DestinationAddressPrefix": [
                                    "VirtualNetwork"
                                  ],
                                  "Access": "Allow",
                                  "Priority": 65000,
                                  "Direction": "Outbound",
                                  "ProvisioningState": "Succeeded",
                                  "SourceApplicationSecurityGroups": [],
                                  "DestinationApplicationSecurityGroups": []
                                },
                                {
                                  "Name": "AllowInternetOutBound",
                                  "Etag": "W/\"00000000-0000-0000-0000-000000000000\"",
                                  "Id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/provide
                              rs/Microsoft.Network/networkSecurityGroups/nsg1/defaultSecurityRules/AllowInternetOutBound",
                                  "Description": "Allow outbound traffic from all VMs to Internet",
                                  "Protocol": "*",
                                  "SourcePortRange": [
                                    "*"
                                  ],
                                  "DestinationPortRange": [
                                    "*"
                                  ],
                                  "SourceAddressPrefix": [
                                    "*"
                                  ],
                                  "DestinationAddressPrefix": [
                                    "Internet"
                                  ],
                                  "Access": "Allow",
                                  "Priority": 65001,
                                  "Direction": "Outbound",
                                  "ProvisioningState": "Succeeded",
                                  "SourceApplicationSecurityGroups": [],
                                  "DestinationApplicationSecurityGroups": []
                                },
                                {
                                  "Name": "DenyAllOutBound",
                                  "Etag": "W/\"00000000-0000-0000-0000-000000000000\"",
                                  "Id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/provide
                              rs/Microsoft.Network/networkSecurityGroups/nsg1/defaultSecurityRules/DenyAllOutBound",
                                  "Description": "Deny all outbound traffic",
                                  "Protocol": "*",
                                  "SourcePortRange": [
                                    "*"
                                  ],
                                  "DestinationPortRange": [
                                    "*"
                                  ],
                                  "SourceAddressPrefix": [
                                    "*"
                                  ],
                                  "DestinationAddressPrefix": [
                                    "*"
                                  ],
                                  "Access": "Deny",
                                  "Priority": 65500,
                                  "Direction": "Outbound",
                                  "ProvisioningState": "Succeeded",
                                  "SourceApplicationSecurityGroups": [],
                                  "DestinationApplicationSecurityGroups": []
                                }
                              ]
NetworkInterfaces           : []
Subnets                     : []

This command returns contents of Azure network security groups that start with "nsg"

PARAMETERS

-DefaultProfile

The credentials, account, tenant, and subscription used for communication with Azure.

Type: Microsoft.Azure.Commands.Common.Authentication.Abstractions.Core.IAzureContextContainer
Parameter Sets: (All)
Aliases: AzContext, AzureRmContext, AzureCredential

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-ExpandResource

The resource reference to be expanded.

Type: System.String
Parameter Sets: Expand
Aliases:

Required: True
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: False

-Name

Specifies the name of the network security group that this cmdlet gets.

Type: System.String
Parameter Sets: NoExpand
Aliases: ResourceName

Required: False
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: True
Type: System.String
Parameter Sets: Expand
Aliases: ResourceName

Required: True
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: True

-ResourceGroupName

Specifies the name of the resource group that the network security group belongs to.

Type: System.String
Parameter Sets: NoExpand
Aliases:

Required: False
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: True
Type: System.String
Parameter Sets: Expand
Aliases:

Required: True
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: True

CommonParameters

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.

INPUTS

System.String

OUTPUTS

Microsoft.Azure.Commands.Network.Models.PSNetworkSecurityGroup

NOTES

New-AzNetworkSecurityGroup

Remove-AzNetworkSecurityGroup

Set-AzNetworkSecurityGroup

PARAMETERS

-DefaultProfile

The credentials, account, tenant, and subscription used for communication with Azure.

Type: Microsoft.Azure.Commands.Common.Authentication.Abstractions.Core.IAzureContextContainer
Parameter Sets: (All)
Aliases: AzContext, AzureRmContext, AzureCredential

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-ExpandResource

The resource reference to be expanded.

Type: System.String
Parameter Sets: Expand
Aliases:

Required: True
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: False

-Name

The resource name.

Type: System.String
Parameter Sets: NoExpand
Aliases: ResourceName

Required: False
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: True
Type: System.String
Parameter Sets: Expand
Aliases: ResourceName

Required: True
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: True

-ResourceGroupName

The resource group name.

Type: System.String
Parameter Sets: NoExpand
Aliases:

Required: False
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: True
Type: System.String
Parameter Sets: Expand
Aliases:

Required: True
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: True

CommonParameters

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.

INPUTS

OUTPUTS

NOTES

PARAMETERS

-DefaultProfile

The credentials, account, tenant, and subscription used for communication with Azure.

Type: Microsoft.Azure.Commands.Common.Authentication.Abstractions.Core.IAzureContextContainer
Parameter Sets: (All)
Aliases: AzContext, AzureRmContext, AzureCredential

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-ExpandResource

The resource reference to be expanded.

Type: System.String
Parameter Sets: Expand
Aliases:

Required: True
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: False

-Name

The resource name.

Type: System.String
Parameter Sets: NoExpand
Aliases: ResourceName

Required: False
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: True
Type: System.String
Parameter Sets: Expand
Aliases: ResourceName

Required: True
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: True

-ResourceGroupName

The resource group name.

Type: System.String
Parameter Sets: NoExpand
Aliases:

Required: False
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: True
Type: System.String
Parameter Sets: Expand
Aliases:

Required: True
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: True

CommonParameters

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.

INPUTS

OUTPUTS

NOTES