From dc3e0c64954b1c0df4e770e2513199f3ed97de74 Mon Sep 17 00:00:00 2001
From: Hannes Giesenow <hgiesenow@kuborgh.de>
Date: Wed, 27 Aug 2014 12:29:12 +0200
Subject: [PATCH] Added no-cache header

This prevents Varnish from caching the captcha image
---
 Controller/CaptchaController.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Controller/CaptchaController.php b/Controller/CaptchaController.php
index 5cc45db..8d2fb1c 100644
--- a/Controller/CaptchaController.php
+++ b/Controller/CaptchaController.php
@@ -53,6 +53,7 @@ class CaptchaController extends Controller
 
         $response = new Response($generator->generate($options));
         $response->headers->set('Content-type', 'image/jpeg');
+        $response->headers->set('Pragma', 'no-cache');
 
         return $response;
     }