diff --git a/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/PortField.php b/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/PortField.php
index 74eea2090..84735815c 100644
--- a/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/PortField.php
+++ b/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/PortField.php
@@ -93,6 +93,11 @@ class PortField extends BaseField
         'rfb'
     );
 
+    /**
+     * @var bool enable well known ports
+     */
+    private $enableWellKown = false;
+
     /**
      * @var array collected options
      */
@@ -104,7 +109,9 @@ class PortField extends BaseField
     protected function actionPostLoadingEvent()
     {
         if (!is_array(self::$internalOptionList)) {
-            self::$internalOptionList = array("any") + self::$wellknownservices;
+            if ($this->enableWellKown) {
+                self::$internalOptionList = array("any") + self::$wellknownservices;
+            }
 
             for ($port=1; $port <= 65535; $port++) {
                 self::$internalOptionList[] = (string)$port;
@@ -112,6 +119,19 @@ class PortField extends BaseField
         }
     }
 
+    /**
+     * setter for maximum value
+     * @param integer $value
+     */
+    public function setEnableWellKnown($value)
+    {
+        if (strtoupper(trim($value)) == "Y") {
+            $this->enableWellKown = true;
+        } else {
+            $this->enableWellKown = false;
+        }
+    }
+
     /**
      * always lowercase portnames
      * @param string $value
diff --git a/src/opnsense/mvc/app/models/OPNsense/TrafficShaper/TrafficShaper.xml b/src/opnsense/mvc/app/models/OPNsense/TrafficShaper/TrafficShaper.xml
index 2e05e9b70..af708872c 100644
--- a/src/opnsense/mvc/app/models/OPNsense/TrafficShaper/TrafficShaper.xml
+++ b/src/opnsense/mvc/app/models/OPNsense/TrafficShaper/TrafficShaper.xml
@@ -284,6 +284,7 @@
                 </source_not>
                 <src_port type="PortField">
                     <Required>Y</Required>
+                    <EnableWellKnown>Y</EnableWellKnown>
                     <default>any</default>
                 </src_port>
                 <destination type="NetworkField">
@@ -297,6 +298,7 @@
                 </destination_not>
                 <dst_port type="PortField">
                     <Required>Y</Required>
+                    <EnableWellKnown>Y</EnableWellKnown>
                     <default>any</default>
                 </dst_port>
                 <direction type="OptionField">