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Overview

This page includes the configuration and setup information required for full utilization of the LaundryCard firewall, including credit card processing and remote operator access.

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  1. The router must be set up to have a single ethernet interface for connection to Port 1 of the LaundryCard Firewall.
  2. A single fixed (static) IP address must be designated for use by the LaundryCard Firewall.
  3. Port Forwarding must be enabled and implemented such that traffic received from the internet and destined to the LaundryCard Firewall static IP address will be forwarded as follows:
    1. The router will forward all TCP traffic with several specific TCP ports to the designated Ethernet interface connected to the LaundryCard Firewall.
    2. The router will forward all UDP traffic several specific UDP ports to the designated Ethernet interface connected to the LaundryCard Firewall.
    3. The router will forward all GRE traffic (protocol 47) to the designated Ethernet interface port connected to the LaundryCard Firewall.
    4. The router will forward all IPSEC-ESP traffic (protocol 50) to the designated Ethernet interface port connected to the LaundryCard Firewall.
  4. All traffic from the LaundryCard Firewall must be forwarded by the router to the modem interface on the router.

Port and Protocol Usage

The following is current list of protocols and port usage of the LCRF (LaundryCard Router/Firewall). 

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  • GRE (protocol 47)  - Required for implementation of VPN using PPTP. It is a separate protocol from TCP/IP. Forwarding of this protocol is often configured from a separate menu from TCP/IP port forwarding.
  • IPSEC-ESP (protocol 50)  -   Required for implementation of VPN using L2TP. It is a separate protocol from TCP/IP. Forwarding of this protocol is often configured from a separate menu from TCP/IP port forwarding. This protocol is required for support of Virtual Private Networking (VPN) from late version of Apple devices. If the router does not forward this protocol properly, VPN using L2TP will not be supported.

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