diff --git a/src/opnsense/mvc/app/library/OPNsense/Firewall/FilterRule.php b/src/opnsense/mvc/app/library/OPNsense/Firewall/FilterRule.php
index ff9dd9c78..a944d5b3e 100644
--- a/src/opnsense/mvc/app/library/OPNsense/Firewall/FilterRule.php
+++ b/src/opnsense/mvc/app/library/OPNsense/Firewall/FilterRule.php
@@ -65,62 +65,6 @@ class FilterRule extends Rule
         'label' => 'parsePlain,label ",",63'
     );
 
-    /**
-     * parse plain data
-     * @param string $value field value
-     * @param string $prefix prefix when $value is provided
-     * @param string $suffix suffix when $value is provided
-     * @param int $maxsize maximum size, cut when longer
-     * @return string
-     */
-    private function parsePlain($value, $prefix = "", $suffix = "", $maxsize = null)
-    {
-        if (!empty($maxsize) && strlen($value) > $maxsize) {
-            $value = substr($value, 0, $maxsize);
-        }
-        return $value == null || $value === '' ? '' : $prefix . $value . $suffix . ' ';
-    }
-
-    /**
-     * parse plain data
-     * @param string $value field value
-     * @param string $prefix prefix when $value is provided
-     * @return string
-     */
-    private function parsePlainCurly($value, $prefix = "")
-    {
-        $suffix = "";
-        if (strpos($value, '$') === false) {
-            // don't wrap aliases in curly brackets
-            $prefix = $prefix . "{";
-            $suffix = "}";
-        }
-        return $value == null || $value === '' ? '' : $prefix . $value . $suffix . ' ';
-    }
-
-    /**
-     * parse data, use replace map
-     * @param string $value field value
-     * @param string $map
-     * @return string
-     */
-    private function parseReplaceSimple($value, $map, $prefix = "", $suffix = "")
-    {
-        $retval = $value;
-        foreach (explode('|', $map) as $item) {
-            $tmp = explode(':', $item);
-            if ($tmp[0] == $value) {
-                $retval = $tmp[1] . " ";
-                break;
-            }
-        }
-        if (!empty($retval)) {
-            return $prefix . $retval . $suffix . " ";
-        } else {
-            return "";
-        }
-    }
-
     /**
      * parse type
      * @param string $value field value
diff --git a/src/opnsense/mvc/app/library/OPNsense/Firewall/Rule.php b/src/opnsense/mvc/app/library/OPNsense/Firewall/Rule.php
index 7b504f532..de3313dcb 100644
--- a/src/opnsense/mvc/app/library/OPNsense/Firewall/Rule.php
+++ b/src/opnsense/mvc/app/library/OPNsense/Firewall/Rule.php
@@ -74,6 +74,62 @@ abstract class Rule
         }
     }
 
+    /**
+     * parse plain data
+     * @param string $value field value
+     * @param string $prefix prefix when $value is provided
+     * @param string $suffix suffix when $value is provided
+     * @param int $maxsize maximum size, cut when longer
+     * @return string
+     */
+    protected function parsePlain($value, $prefix = "", $suffix = "", $maxsize = null)
+    {
+        if (!empty($maxsize) && strlen($value) > $maxsize) {
+            $value = substr($value, 0, $maxsize);
+        }
+        return $value == null || $value === '' ? '' : $prefix . $value . $suffix . ' ';
+    }
+
+    /**
+     * parse plain data
+     * @param string $value field value
+     * @param string $prefix prefix when $value is provided
+     * @return string
+     */
+    protected function parsePlainCurly($value, $prefix = "")
+    {
+        $suffix = "";
+        if (strpos($value, '$') === false) {
+            // don't wrap aliases in curly brackets
+            $prefix = $prefix . "{";
+            $suffix = "}";
+        }
+        return $value == null || $value === '' ? '' : $prefix . $value . $suffix . ' ';
+    }
+
+    /**
+     * parse data, use replace map
+     * @param string $value field value
+     * @param string $map
+     * @return string
+     */
+    protected function parseReplaceSimple($value, $map, $prefix = "", $suffix = "")
+    {
+        $retval = $value;
+        foreach (explode('|', $map) as $item) {
+            $tmp = explode(':', $item);
+            if ($tmp[0] == $value) {
+                $retval = $tmp[1] . " ";
+                break;
+            }
+        }
+        if (!empty($retval)) {
+            return $prefix . $retval . $suffix . " ";
+        } else {
+            return "";
+        }
+    }
+
     /**
      * convert source/destination address entries as used by the gui
      * @param array $rule rule