HTTP 1.1 equivalent to Pragma: no-cache
See http://stackoverflow.com/questions/10314174/difference-between-pragma-and-cache-control-headers for detailed explanation
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@ -54,6 +54,7 @@ class CaptchaController extends Controller
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$response = new Response($generator->generate($options));
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$response->headers->set('Content-type', 'image/jpeg');
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$response->headers->set('Pragma', 'no-cache');
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$response->headers->set('Cache-Control','no-cache');
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return $response;
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}
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