rename.htaccess

DirectoryIndex index.php

# remove the next 3 lines if you see a 500 server error
php_flag register_globals off
php_flag magic_quotes_gpc off
php_value display_errors 0

FileETag none
ServerSignature Off

Options All -Indexes

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteRule ^shorten/(.*)$ shorten.php?longurl=$1 [L]
RewriteRule ^([0-9a-zA-Z]{1,32})$ redirect.php?url=$1 [L]
</IfModule>