diff --git a/aliases.ps1 b/aliases.ps1
index bdbe4ed..3a3cf51 100644
--- a/aliases.ps1
+++ b/aliases.ps1
@@ -31,3 +31,8 @@ function touch($file) { "" | Out-File $file -Encoding ASCII }
 function cdd {
     Set-Location ~/downloads
 }
+
+# Offene Ports anzeigen
+function ports {
+    netstat -an | Select-String ABHÖREN 
+}