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Purpose
This guide instructs DPL customers on how to properly configure SSL/TLS on Hyosung ATMs using a
Hercules wireless modem. This guide is based on the Hyosung MoneyMax MX2600SE – the required
steps for your model may vary. The document will take you through:
• Installing the DPL
• Setting up address-based host setup
• Enabling SSL/TLS
• Enabling certificate validation
By the end of the document you will have a securely connected ATM that should be resilient to Man-in-
the-Middle (MITM) attacks involving tampering with the internal link between the ATM and the Hercules
modem installed in your unit.
Prerequisites
To successfully complete the following steps you will need:
• To ensure your Hercules wireless modem and ATM have the latest firmware updates. If unsure,
please contact DPL's technical support department.
• The DPL
rootcert.pem
Examples of the required information will be provided in the steps below.
rootcert.pem
file
or a rootcert.pem provided by your payment processor
3
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