[redirects-web] Try resetting the Host header

[Andrea Veri <averi src gnome org>]

commit 3f12a8b19f0830fd7e957260d7d655b57a92f344
Author: Andrea Veri <averi redhat com>
Date:   Wed Feb 19 16:34:17 2020 +0100

    Try resetting the Host header

 app_data/httpd-cfg/gtk.org.conf | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/app_data/httpd-cfg/gtk.org.conf b/app_data/httpd-cfg/gtk.org.conf
index ad10bc4..cfbde12 100644
--- a/app_data/httpd-cfg/gtk.org.conf
+++ b/app_data/httpd-cfg/gtk.org.conf
@@ -5,7 +5,8 @@
     SSLProxyEngine On
     SSLProxyCheckPeerCN on 
     SSLProxyCheckPeerExpire on
-    ProxyPreserveHost Off
+
+    Header unset Host
     ProxyPass / https://infrastructure.pages.gitlab.gnome.org/gtk-web/ retry=0
     ProxyPass /.well-known/acme-challenge !
     ProxyPassReverse / https://infrastructure.pages.gitlab.gnome.org/gtk-web/