Payment Gateway Module - CASHNet eMarket Checkout

PaperCut - Payment Gateway Module - CASHNet eMarket Checkout - Quick Start Guide v2015-04-21

3 Firewall and POST URL Configuration

CASHNet sends transaction notification messages to the PaperCut server via HTTPS as configured in section 4 below (either 9192/443). CASHNet calls this feature “Store

Notification”.

You will need to ensure that CASHNet is able to contact the PaperCut server via an internetaccessible hostname. This will usually involve the following network changes:

1. Set up a public DNS entry to ensure the PaperCut server is publicly accessible via a friendly name (e.g. papercut.myorg.edu).

2. Allow internet access directly to the PaperCut server via the configured port from section 4 below (either 9192/443).

Note that CASHNet by default locks down external traffic to port 443. To use a different port such as 9192 you will need to notify CASHNet to allow external traffic from the CASHNet servers through their firewall to your public DNS entry on all required ports as configured in section 4 below.

It is important that your organizations firewall policy only applies to external hosts.

Internal hosts will require direct access to the PaperCut server.

During testing it may be appropriate to open access from any host, then lock down access to the CASHNet IP address range once it has been determined. Once a test transaction has been made via HTTP the CASHNet server IP address(es) may be gained from the payment gateway event log file (located at [apppath]/server/logs/payment-gateway/event.log).

Note that CASHNet may change these addresses over time, so if transactions are failing, check

CASHNET’s Event Log Viewer to see if the messages are not getting through.

3.

Accessing the following URL with a web browser will display a simple confirmation page containing the current time, and can be used to test external access: http://papercut.myorg.edu/rpc/gateway/cashnet

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