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IPN concept....Post back?


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#1 Guest(old)

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Posted 05 December 2002 - 10:38 AM

hello,

I'm just wondering what is IPN exactly?
Instant Payment Notification.

I was looking for something that is similar to a post back. and this IPN seems to be the closest.

But I am not sure I am following the instructions. my PostBack.cgi Script is supposed to send something back to paypal server? is there any way to avoid that? All I would require is a SIMPLE PostBack to my script.cgi.

and maybe a MD5 check sum to validate the whole thing.

Anyone could point me in the "right" instructions on how to proceed?
Thanks agian.

Qj.

#2 paypal_pb

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Posted 05 December 2002 - 11:44 AM

http://www.paypal.co...n-intro-outside

You can skip the POSTing back to PayPal but that opens a small window for a hacker to masquerade as the PayPal system. That's how you validate the authenticity of the IPN.

Patrick Breitenbach
PayPal, Inc.
Dev Net: https://www.paypal.com/pdn

#3 Guest(old)

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Posted 05 December 2002 - 12:20 PM

ic

thks
Qj.




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