I have WHMcs panel, after entering PayPal and Stripe and progressing, I get error.
I believe I need to whitelist the IPs - but what are they?
Can assist please.
Thanks
This is what happens:
"Gateway Timeout
The gateway did not receive a timely response from the upstream server or application.
Additionally, a 504 Gateway Timeout error was encountered while trying to use an ErrorDocument to handle the request."
Cloudflare ips are here, IP Ranges.
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