求助关于apache+php4

小猪上树

用的debian 3.1r2系统

刚配置完apache+php4
用代码
<? phpinfo(); ?>
测试时系统提示

Warning: Unknown(/var/www/index.php): failed to open stream: Permission denied in Unknown on line 0

Warning: (null)(): Failed opening '/var/www/index.php' for inclusion (include_path='.:/usr/share/php:/usr/share/pear') in Unknown on line 0

请高手指教

jordi

权限问题？