Banning bad bots
Code
<?php
$i =
getenv('REMOTE_ADDR');
$handle =
fopen("../.htaccess",
"a");
fwrite($handle,
"Deny from $i\n");
fclose($handle);
echo "You've just got $i banned from this domain. You are a very bad person.";
mail("webmaster@example.com",
"Banned IP",
"Deny from $i");
?>