Set php-fpm listen mode to 0600 on apache servers and 0660 on nginx servers.

Till Brehm

2014-04-16 1890caf08f2c3680c3286b09be69620fe09ae947

 server/plugins-available/apache2_plugin.inc.php

@@ -2642,6 +2642,7 @@

      $fpm_socket = $socket_dir.$pool_name.'.sock';
      $tpl->setVar('fpm_socket', $fpm_socket);
      $tpl->setVar('fpm_listen_mode', '0600');

      $tpl->setVar('fpm_pool', $pool_name);
      $tpl->setVar('fpm_port', $web_config['php_fpm_start_port'] + $data['new']['domain_id'] - 1);