redirect /node to drupal-frontpage

node2front.php

<?php
/**
 * Implementation of hook_menu_alter().
 */
function node2front_menu_alter(&$items) {
  $items['node']['page callback'] = '_node2front_redirect';
}

/**
 * Redirect back to the frontpage.
 */
function _node2front_redirect() {
  $_REQUEST['destination'] = "<front>";
  drupal_goto();
}