FL MGUARD RS4000 TX/TX-P
105656_en_05 PHOENIX CONTACT 119
6 FL MGUARD RS4000 TX/TX-P
Table 6-1 Currently available products
Product description
The FL MGUARD RS4000 TX/TX-P is a security router with intelligent firewall and IPsec
VPN (up to 250 tunnels). Providing a special DPI (Deep Packet Inspection) functionality for
OPC Classic and Modbus TCP, it has been designed for use in the process industry to ac-
commodate strict distributed security and high availability requirements. The device can be
operated in redundancy mode and is approved for operation in potentially explosive envi-
ronments.
The FL MGUARD RS4000 TX/TX-P supports a replaceable configuration memory in the
form of an SD card. (The SD cards are not supplied as standard.) The fanless metal housing
is mounted on a DIN rail.
Figure 6-1 FL MGUARD RS4000 TX/TX-P
DPI for OPC Classic
Deep Package Inspection for OPC Classic analyzes the transmitted packets, and modifies
them, if necessary. The device can be configured so that only OPC packets can be sent via
OPC Classic port 135. Deep Packet Inspection reliably detects the TCP ports negotiated
between the devices during the connection opened first.
Exactly these ports are then opened through the firewall, and enabled for OPC communica-
tion. If no OPC packets are transmitted via these ports within a configurable timeout, the
ports are closed again. By means of fine-tuned firewall rules, it can be defined exactly which
clients may or may not communicate with which servers via OPC. This Connection Tracking
function significantly enhances the security level.
DPI for Modbus TCP
The device can inspect packets of incoming and outgoing Modbus TCP connections and
filter them if required. The user data of incoming packets is inspected.
Product designation Phoenix Contact order number
FL MGUARD RS4000 TX/TX-P 2702259
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