Hello,
Thank you for your query and we are so sorry about the trouble this must have caused.
Based on our guides, there’s no specific port to add when whitelisting our IPs. Please see these guides here:
https://rankmath.com/kb/api-http-400-error/#blocked-by-firewall
You can try port 80 or 8080 and see if that would work. If not, please consult your hosting provider and they should be able to assist you with that.
Hope that helps and please do not hesitate to let us know if you need my assistance with anything else.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.
