Invoke-Commande + Foreach.ps1

<#
-----------------------------------------------------------------------------------------------------------
    Titre: "FixUp NetFirewallRule Windows 8.1 @ 10.ps1"
    Author: PowerShell_PC_Aide
    PowerShell ver: minimum v5
    version: 20-08-2019
    Dependents: WinRM (Enable-PSRemoting)
    Elevated: Y
 ----------------------------------------------------------------------------------------------------------
#>
#cmdlet ActiveDirectory
Import-Module ActiveDirectory

#Errors
$ErrorActionPreference = "SilentlyContinue"

#File txt sur dossier courant avec script
#Format: FQDN (E.g.: VM003.golova.com | VM001.brat.com)
$PCs = Get-Content ".\List PCs.txt"

#List PCs
foreach ($PC in $PCs)
{
    #Online
    $Ping = Test-Connection $PC -Quiet -Count 1

    #True
    if ($Ping)
    {
        #Test-wsMan (WinRM service is running)
        $WSManRunning = Test-WSMan $PC
        #True
        if ($WSManRunning)
        {
             Invoke-Command -ComputerName $PC -ScriptBlock `
            {
                #Variables
                $Seprator = ","
                #Problem (Enabled:True + Action:Block)
                #Sample [*hummingbird exceed 2007*]
                $Condition = Get-NetFirewallRule | Where-Object {$_.Enabled -eq "True" -and $_.Action -eq "Block"}
                #True
                if ($Condition -ne $null)
                {
                    #FQDN + SdtOutPut: 1 line by PC
                    "FQDN," `
                    + "DisplayName," `
                    + "Name"
                    "$env:COMPUTERNAME.$env:USERDNSDOMAIN," `
                    + $Condition.DisplayName + "," `
                    + $Condition.Name
                     "`n"
                }
            }
        }
        #WinRM not running
        Else
        {
            $PC + ": " +  "WinRM is not running"
        }
    }
    #Offline ($Ping = False)
    Else
    {
        (Write-Host $PC -ForegroundColor Red ": " -NoNewline) + "Offline"
        "`n"
    }
}