diff --git a/src/web/Request.php b/src/web/Request.php
index 30562bbebb0..e5d762b73e8 100644
--- a/src/web/Request.php
+++ b/src/web/Request.php
@@ -68,6 +68,18 @@ class Request extends \yii\web\Request
         'Forwarded',
     ];
 
+    /**
+     * @inheritdoc
+     */
+    public $secureHeaders = [
+        'Client-IP',
+        'X-Forwarded-For',
+        'X-Forwarded',
+        'X-Cluster-Client-IP',
+        'Forwarded-For',
+        'Forwarded',
+    ];
+
     /**
      * @var int The highest page number that Craft should accept.
      * @since 3.1.14