What is exactly e-gold IPN ?

What is exactly IPN ?

I read several articles, that describe IPN as Internet Payment Notification, some say as Immidiate Payment Notification and also Instant Payment Notification.

According to articles on wiki :

Instant Payment Notification (IPN) is a way to allow online retailers to handle real-time purchase confirmation and server-to-server communication. This allows the retailer to store transaction or order information in its own database to track its own sales data internally

If you are accepting credit card payment using third party payment gateway such as 2Checkout, paypal or e-gold, your system must be able to "understand" the message that sent by the payment gateway.

Either the payment is successfull nor canceled, payment gateway such as 2checkout,e-gold etc will send notification message.

Each company has their own message format,variables name etc. Make sure your system understand it.

One of the hacking trick, The hackers will try to manipulate the message and send to your system as if it's from the payment gateway.

Please be carefull! And make sure that your system know how to protect from this kind of trick.

I develop the e-gold IPN for my egold affiliate pro script using this security issue in mind. And I called it The Bullet Proof e-gold IPN.