Export or Backup Azure Network Security Groups into CSV using PowerShell

There could be many use cases where you may want to export Network Security Groups into CSV. You might have question, how to export or backup Azure Network Security Groups into CSV. Here is the PowerShell script that you can use to export Azure Network Security Groups into CSV using PowerShell script. This script will export Network Security Group along with rules of all Active subscriptions into a CSV.

$outputfinal=@()

foreach ( $Subscription in $(Get-AzSubscription| Where-Object {$_.State -ne "Disabled"}) )

{

Select-AzSubscription -SubscriptionId $Subscription.SubscriptionId

$nsgs=Get-AzNetworkSecurityGroup

foreach ($nsg in $nsgs)

{

$securityrules=$nsg.SecurityRules

foreach ($securityrule in $securityrules)

{

$outputtemp = "" | SELECT  NSGName,NSGLocation,RGName,Direction,Priority,RuleName,DestinationPort,Protocol,SourceAddress,SourcePort,DestinationAddress,Action,Description

$outputtemp.NSGName=$nsg.name

$outputtemp.NSGLocation=$nsg.location

$outputtemp.RGName=$nsg.ResourceGroupName

$outputtemp.Direction=$securityrule.direction

$outputtemp.Priority=$securityrule.Priority

$outputtemp.RuleName=$securityrule.Name

$outputtemp.DestinationPort=$securityrule.DestinationPortRange -join ", "

$outputtemp.Protocol=$securityrule.Protocol -join ", "

$outputtemp.SourceAddress=$securityrule.SourceAddressPrefix -join ", "

$outputtemp.SourcePort=$securityrule.SourcePortRange -join ", "

$outputtemp.DestinationAddress=$securityrule.DestinationAddressPrefix -join ", "

$outputtemp.Action=$securityrule.Access

$outputtemp.Description=$securityrule.Description

$outputfinal += $outputtemp

}

}

}

$outputfinal | Export-Csv ./clouddrive/.cloudconsole/NSGs_"$((Get-Date).ToString("yyyyMMdd_HHmmss")).csv" -NoTypeInformation

 If you want to export the CSV to Azure Storage file share, you can remove the last line from above script and add following lines.

$outputfinal | Export-Csv "$Env:temp/NSGs" -NoTypeInformation

$resourceGroupName="myresourcegroup"  

$storageAccName="mystorageaccount" 

$fileShareName="myfileshare"  

$fileName="$Env:temp/NSGs" 

$folderPath="/" 

Function UploadFiles  

{   Set-AzContext -SubscriptionId 2gdj2342-gl39-390r-h208-84957dg897g8

    $ctx=(Get-AzStorageAccount -ResourceGroupName $resourceGroupName -Name $storageAccName).Context  

    Set-AzStorageFileContent -ShareName $fileShareName -context $ctx -Source $fileName -Path $folderPath/"NSGs_$((Get-Date).ToString("yyyyMMdd_HHmmss")).csv" 

}  

UploadFiles   

If you are looking for a script that can export Azure Route Tables the similar way, you can check out the script at Export or Backup Azure Route Table into CSV using PowerShell