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The table below outlines the destination ports that need to be open to enable communication between the merchant’s network and our payment gateways.

Usage

Required/Optional?

Flow from the merchants system’s perspective (Incomming/Outgoing)

Source

Destination URL/IP

Domain Name

Protocol/Port

1

PayXpress EMV Backend

  • Process EMV payment transactions

  • Download remote configuration

  • Send emails from our system to the merchant or customer.

Required

Incoming/Outgoing

Merchant system(s) IP address(es)

*.https://api-pos-default-v4.payxpert.com
*./

https://api-prox-default-v4.payxpert.com/

https://payxpress-soft-mpos.firebaseio.com

https://dns.google/dns-query

TCP 443 (HTTPS)

2

PayXpress APM Backend

  • Process APM payment transactions

Optional if PayXpress APM is deployed for POS.

Incoming/Outgoing

Merchant system(s) IP address(es)

*.https://connect2.payxpert.com/

*.https://stats.payxpert.com/
*.payxpress-apm.appspot.com matomo.php

TCP 443 (HTTPS)

3

Remote Crash & Logs

  • Crash reports

  • Diagnostic of PayXpress of Logs

Required

Anne-Claire Femia Incoming/Outgoing?

Anne-Claire Femia

Anne-Claire Femia payxpress-apm.appspot.com

payxpress-soft-mpos.appspot.com

Anne-Claire Femia

4

PayXpress Backoffice - Central

  • Web browsing in administration portal.

Only for PC, not for POS Devices.

Outgoing

Merchant system(s) IP address(es)

*.central.payxpert.com

TCP 443 (HTTPS)

5

SUNMI - TMS/MDM

  • Download & Upgrade new version of PayXpress

  • Remote actions: Lock/Unblock devices & Reboot

  • Europe Instance → *eu.sunmi.com

Only for SUNMI Devices

Juan BARRAZA Incoming/Outgoing?

Juan BARRAZA

Juan BARRAZA

Juan BARRAZA

6

AnyDesk

  • Display the screen of the PO in the Cashier PC

Optional if needed

Artavazd Osipyan Incoming/Outgoing?

Artavazd Osipyan

Artavazd Osipyan

Artavazd Osipyan api.eu.sunmi.com
apk.cdn.eu.sunmi.com
ota.cdn.eu.sunmi.com
file.cdn.eu.sunmi.com
pic.cdn.eu.sunmi.com
iot-mqtts.eu.sunmi.com

TCP 443 (HTTPS)

6

SUNMI - Security

  • Used for unlocking devices under "tamper mode".

  • China Instance (temporary) → *api.sunmi.com

Only for SUNMI Devices

api.sunmi.com

TCP 443 (HTTPS)

7

SUNMI - NTP Services

NTP (Network Time Protocol), provides network timing services for devices

Only for SUNMI Devices

pool.ntp.org
europe.pool.ntp.org
uk.pool.ntp.org
fr.pool.ntp.org
it.pool.ntp.org
de.pool.ntp.org
at.pool.ntp.org
pl.pool.ntp.org
ntp1.inrim.it
ntp.obspm.fr
ptbtime1.ptb.de

NTP / 123

8

SUNMI - Certificate Transparency Service

Certificate Transparency (CT) is an open framework that aims to monitor and prevent the mis-issuance of CA certificates and enhance the transparency and credibility of certificate authorities.

Only for SUNMI Devices

gstatic.com

TCP 443 (HTTPS)

9

SUNMI - Network Connectivity Detection Service

Identify whether the device's current network can connect to the Internet

Only for SUNMI Devices

www.qualcomm.cn
www.google.com
connectivitycheck.gstatic.com

HTTPS (443) HTTP (80)
HTTPS (443)
HTTPS (443) HTTP (80)

Info

Important: All merchant systems communicating with our payment gateways must be able to resolve the public hostname.

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