Backend to reproduce https://github.com/puppetlabs/puppetlabs-apache/pull/602

backend.conf

LoadModule mpm_prefork_module /usr/lib/apache2/modules/mod_mpm_prefork.so
LoadModule authz_core_module /usr/lib/apache2/modules/mod_authz_core.so
LoadModule autoindex_module /usr/lib/apache2/modules/mod_autoindex.so
LoadModule mime_magic_module /usr/lib/apache2/modules/mod_mime_magic.so
LoadModule alias_module /usr/lib/apache2/modules/mod_alias.so
LoadModule dir_module /usr/lib/apache2/modules/mod_dir.so
LoadModule php5_module /usr/lib/apache2/modules/libphp5.so

MimeMagicFile /etc/magic

ServerName backend.local

<FilesMatch ".+\.ph(p[345]?|t|tml)$">
    SetHandler application/x-httpd-php
</FilesMatch>

Listen 9090

ErrorLog /home/igalic/src/puppet/proxy-repro/backend/error_log
PidFile /home/igalic/src/puppet/proxy-repro/backend/pid
DocumentRoot /home/igalic/src/puppet/proxy-repro/backend/

<Directory />
  Require all denied
  AllowOverride None
</Directory>
<Directory "/home/igalic/src/puppet/proxy-repro/backend/">
  Require all granted
        DirectoryIndex index.php
</Directory>

index.php

<?php
header('Location: /redirect.html');
exit;
?>

index2.php

<?php
header('Location: http://example.com/redirect.html');
exit;
?>

index3.php

<?php
header('Location: http://backend.local:9090/redirect.html');
exit;
?>