ForEach-Object (Get-NetFirewallRule).ps1

<#
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    SRC: https://social.technet.microsoft.com/Forums/ie/en-US/3294e7c9-3b2b-408f-bca8-032f2b2fc33e/windows-firewall-rules?forum=winserverpowershell
    O/P: https://imgur.com/as3wwCd
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#>

#Firewall
$Firewall = Get-NetFirewallRule

#Condition
$Condition = $Firewall | Where-Object {$_.Enabled -eq $true -and $_.Action -eq "Block"}

#Rule
$Condition  |
        ForEach-Object{
        $Rule = $_
        $_ | Get-NetFirewallPortFilter |
            ForEach-Object{
                [pscustomobject]@{
                    FQDN = "$env:computerName.$env:USERDNSDOMAIN"
                    DisplayName = $Rule.DisplayName
                    Name = $Rule.Name


                }
            }
            }