From dd45cbbdb66c6ca8d2661cfc06aa0d4d7760df5c Mon Sep 17 00:00:00 2001
From: Judx <juho.holsa@gmail.com>
Date: Mon, 23 Oct 2023 13:52:35 +0300
Subject: [PATCH] Fixed noroute caching 404

---
 app/code/core/Mage/Adminhtml/Controller/Action.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/app/code/core/Mage/Adminhtml/Controller/Action.php b/app/code/core/Mage/Adminhtml/Controller/Action.php
index d15e426e4baa..a49db9e5e47e 100644
--- a/app/code/core/Mage/Adminhtml/Controller/Action.php
+++ b/app/code/core/Mage/Adminhtml/Controller/Action.php
@@ -299,6 +299,7 @@ public function norouteAction($coreRoute = null)
     {
         $this->getResponse()->setHeader('HTTP/1.1', '404 Not Found');
         $this->getResponse()->setHeader('Status', '404 File not found');
+        $this->getResponse()->setHeader('Cache-Control', 'no-store, no-cache, must-revalidate, max-age=0', true);
         $this->loadLayout(['default', 'adminhtml_noroute']);
         $this->renderLayout();
     }