Ok here's the question I have. Department of State prohibits US based companies from conducting business with, or in, certain countries. They have a list of countries that includes, you guessed ,Cuba, Yugoslavia, Lybia and more. If we are using automatated payment gateway how can we assure that we are not accepting any users from this s-list?

Create an .htaccess file like this..

AuthUserFile /dev/null
AuthGroupFile /dev/null
<Limit GET>
order allow,deny
allow from all
deny from .cub
deny from .sy
deny from .lib
</Limit>

Find out the country extentions that you want banned then place the file in your root/home directory.