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CSF blocks communication of WHMCS with registrar

Posted: 20 Jun 2020, 11:02
by Jeromero
Hi all,
we installed ConfigServer Security & Firewall yesterday and last night I noticed that I cannot update (nor register) domains with registrar through WHMCS. Its a custom built module, worked fine before Csf install and registrar confirmed there is no problem at their end.
Does anyone know what setting might be wrong in CSF that could possibly block registrar communication through WHMCS?

Thanks

Re: CSF blocks communication of WHMCS with registrar

Posted: 24 Jun 2020, 01:01
by Sergio
Have you added your registrar IP on the "QUICK ALLOW" button?