How to make legacy Paypal IPNs work with Cloudflare

M

Mr Lucky

Guest
I have noticed that with Cloudflare active, Paypal (legacy) IPNs are failing. I have tested this by pausing Cloudflare and creating a test recurring payment which works fine when Cloudflare is paused, but IPNs fail again when Cloudflare is active.

The callback has been unchanged for over 5 (or 10) years: https://cafesaxophone.com/payment_callback.php

The solution suggested by various sources is to whitelist so I have created various security rules:

  • User Agent = Paypal...

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