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Firewall Security for OPC Classic

The Tofino OPC Enforcer firewall—part of the Tofino Industrial Security Solution—is designed to lock down any industrial network using the previously hard-to-secure OPC Classic protocol.

Aw 1263 1011 Byres
Using deep packet inspection firewall technology, the Tofino OPC Enforcer provides superior security over what can be achieved with conventional firewall solutions, says the vendor. The Tofino OPC Enforcer is intended to provide robust security and stability for any system using OPC DA, HAD or A&E. Unlike other firewalls, the product inspects, tracks and secures every connection made by an OPC application, opening only the exact TCP port required for a connection between an OPC client and server. The OPC Enforcer is implemented without any control-system changes. The Tofino hardware is simply installed into the live network and configured using a drag-and-drop editor to select permitted clients and servers.

Byres Security Inc.

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