Whitelist Requirements for FTXPay 

When using FTXPay, there are some settings that need to be addressed on the network side of the equation. Below are the ports that need to be open as well as the websites that need to be added to the whitelist if you are running a secure firewall. 
 
 

Ensure the following ports are open on the firewall, you can always check using a port checker such as the one here Port Checker - Check Open Ports Online Simply ensure the port number and hit check, you will either see open or closed.  
*TCP 443 (HTTPS) 
* TCP 22 (SSH) 
* UDP 123 (NTP) 
* TCP 53 (DNS) 
* TCP 80 (HTTP) 
* TCP 8443 
 
Also ensure the Domain names below are whitelisted as well, These domains are all used by the system and the Credit Card Reader will need to be able to communicate with them as well 

* *.pax.us (PAX official domains) 
* *.paxstore.us (PAX store services) 
* *.paxglobaltechnology.com 
* *.amazonaws.com