diff --git a/cleanW10.ps1 b/cleanW10.ps1
index f2121c9..9206291 100755
--- a/cleanW10.ps1
+++ b/cleanW10.ps1
@@ -99,7 +99,35 @@ function FwBlockProgram {
         )]
         [object]$params
     )
-    Write-Host " Test"
+    if ( $params.ContainsKey('file') ) {
+        foreach ($line in Get-Content $params.file ){ FwBlockOutputIP @{"ip"="$line"} }
+    }
+    elseif ( $params.ContainsKey('path') ) {
+        $path = Invoke-Expression """$($params.path)"""
+        Write-Host -NoNewline "`tBlock program $($path) : "
+        if ( -not (Test-Path $path) ) {
+            Write-Host -Foregroundcolor Red "Error (path not found)"
+            return
+        }
+        if ( -not $params.ContainsKey('name') ) {
+            $params.name = $params.path
+        }
+        if ( Get-NetFirewallRule -Name $($params.name) -ErrorAction SilentlyContinue) {
+           Write-Host -ForegroundColor Yellow "already blacklisted"
+           return
+        }
+        try {
+            New-NetFirewallRule -Name "$($params.name)" -DisplayName "$($params.name)" -Program "$path" -Direction Outbound -Protocol any -Enabled True -Profile Any -RemoteAddress any -Action Block | Out-Null
+            Write-Host -ForegroundColor Green "done"
+        }
+        catch {
+            Write-Host -ForegroundColor Red "error"
+            return
+        }
+    }
+    else {
+        Write-Host -ForegroundColor Red "`tError : No path or file for action $($MyInvocation.MyCommand.Name)"  
+    }
 }
 
 function RemoveScheduledTask () {