Forbidden, hvorfor ?

<?
echo '<form action="<?php echo $SERVER[PHP_SELF]; ?>" method="post">
Password: <input type="text" name="kode">
<input type="submit" value="send">
</form>';
?>

Når jeg trykker på send kommer dette:

Forbidden
You don't have permission to access /< on this server.


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Apache/1.3.23 Server at localhost Port 80


hvorfor ??