Set up your firewall to whitelist outgoing HTTPS traffic from the IP addresses associated with your POS applications and terminals, directing to:
NTMS: Nexo Terminal Management System
Manage all terminal settings and application updates
Test: tntms.novelpay.pl
IP: 135.125.51.112
TCP Port: 443, 8453, 4747 and 14747
Prod: ntms.novelpay.pl
IP: 176.119.39.127
TCP Port: 443, 8453, 4747 and 14747
MPG: Market Pay Gateway
Process and route all transactions
Test: preprod.mpg.market-pay.com
IP: 185.203.232.51 and 185.203.233.51
TCP Port: 50456 and 50460
Prod: prod.mpg.market-pay.com
IP: 185.203.232.52 and 185.203.233.52
TCP Port: 50456 and 50460
RKI: Remote Key Injection
Enable remote key injections to encrypt sensitive information
Do not hard-code Market Pay's IP addresses, as these can change over time.