From 4d0bb65dcdbf3decadfa1975c74b7c55a5237c14 Mon Sep 17 00:00:00 2001
From: Pol Dellaiera <pol.dellaiera@protonmail.com>
Date: Thu, 24 Jan 2019 14:31:28 +0100
Subject: [PATCH] Issue #3018637 by emilymoi, das-peter: [regression] Unset the
 'host' header in drupal_http_request() during redirect

---
 includes/common.inc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/includes/common.inc b/includes/common.inc
index c5b4ff26e261..44ff46078759 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -1094,6 +1094,11 @@ function drupal_http_request($url, array $options = array()) {
       elseif ($options['max_redirects']) {
         // Redirect to the new location.
         $options['max_redirects']--;
+
+        // We need to unset the 'Host' header
+        // as we are redirecting to a new location.
+        unset($options['headers']['Host']);
+
         $result = drupal_http_request($location, $options);
         $result->redirect_code = $code;
       }