TOFINO XENON ModbusTCP LSM - TOFINO XENON Modbus TCP Enforcer LSM
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(4)The Tofino Xenon Modbus TCP Enforcer Loadable Security Module (LSM) is a content inspector for Modbus communications, checking every Modbus command and response against a list of "allowed" commands defined by your control engineers.
| Name: | 942140001 |
| Part Number: | 942140001 |
| Configuration functions: | Simple configuration using the Tofino Configurator |
| Alarm and event actions: | Reports security alerts to a syslog server and to non-volatile memory on a Tofino Xenon Industrial Security Appliance |
| Event generation: | All standard Tofino modes supported: • Test: all traffic allowed; alerts generated as per user rules • Operational: traffic filtered and alerts generated as per user rules |
| Modules and components: | • Tofino Xenon Industrial Security Appliance. This new enforcer cannot be run in older systems. They will work for existing Tofino Xenons in the field. • Tofino Firewall/Event Logger LSM • Tofino Configurator version 3.2 |
| Monitoring: | Deny by default: any Modbus function code, or register or coil address, that is not on the "allowed" list is automatically blocked and reported The following options may be set on a per-connection basis: • Permitted Modbus function codes • Permitted register or coil address range • Permitted Modbus Unit IDs • Sanity check enable/disable • State tracking enable/disable • TCP Reset on blocked traffic (when utilizing TCP transport protocol) • Modbus exception reply on blocked traffic |
| Product Documentation: | https://www.belden.com/products/by-brand/tofino-security |
| Software Download: | https://www.tofinosecurity.com/user/login |
| Update and Revision: | Revision Number: 0.35 Revision Date: 10-14-2025 |
| Item # | Type |
|---|---|
| 942140001 | TOFINO XENON ModbusTCP LSM |