سلام
Digital Download Guard

DLGuard is a powerful, yet easy to use script that you simply upload to your website and then rest assured that your internet business is not only safe, but also much easier to manage, automating the tasks you just don't have the time for.

DLGuard supports the three types, or methods, of sale on the internet:

Single item sales (including bonus products!)
Multiple item sales
Membership websites

DLGuard is full integrated with PayPal, ClickBank, 2Checkout, Authorize.Net, WorldPay, AlertPay, Ebay, PayDotCom, E-Gold, and even tracks your free product downloads.

The DLGuard built-in Shopping Cart offers Paypal and 2Checkout payment options, and the Membership areas allow Paypal recurring billing as well as linking to any PayPal, ClickBank, 2Checkout, Authorize.Net, WorldPay, AlertPay, Ebay, PayDotCom, and E-Gold single sale product so that people who buy your products can access your members area
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