ViaKlix

1. Login to your viaKLIX account at https://www2.viaklix.com/Admin/login.asp

2. Click "Terminal Setup" in the menu.

3. Click "Adv System Config" in the submenu.

4. Enter the full URL to your AShop orderform.php script in the "Authorizes Referrers" field

Example: https://mydomain.com/ashop/orderform.php, and click "Add Referrer".