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Separate Credit Card Machines for PCI Compliance

Posted on 2016-10-08
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Last Modified: 2016-11-04
I have a customer that fails the PCI Compliance scan.  There is an in-house SBS server with the typical 80, 25, 443, 3389, etc ports necessary for SBS but the PCI Compliance scan sees all these as vulnerabilities.

- The customer does have available public static IP's
- The customer has a SonicWall Firewall TZ105
- The credit card machines are connected to the network wirelessly via Ubiquiti access points

Is there a way I can separate these two credit card machines on a separate network using an available public static IP?
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Question by:ptsolutionsinc
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masnrock earned 2000 total points
ID: 41835522
Yes. You can create a separate subnet on an available interface, then create NAT rules so that the traffic translates to the available public IP. You also need to make sure that the two subnets cannot communicate with one another.

You can also accomplish this with VLANs. You will need to make sure the right switch port is configured for the right network.

I have done this a few times for compliance. Does the credit card machine communicate with any applications?
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by:eeRoot
ID: 41836021
The firewall should have the ability to create a separate non-routed VLAN that the access and point and credit card readers can be placed into.  Do you know whet the credit card readers need to communicate with?
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by:ptsolutionsinc
ID: 41837579
OK I follow both of you on your recommendations but the credit card readers are connected to the office WiFi, there are no physical LAN connections.   I am think of buying an inexpensive wireless router, connect it to the separate sonicwall vlan/subnet and connect the wireless credit card machines to this new router.
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by:masnrock
masnrock earned 2000 total points
ID: 41837599
That's one way to do it. And it is simple. But like I mentioned, make sure that you create NAT policies for the new subnet you set up. And also to update the IP address that your PCI scans check.
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