MODBUS: Not MODBUS

This anomaly triggers if it detects Not Modbus packet, in which the packet data cannot accommodate the mandatory 6 byte MBAP part/preamble that precedes the MODBUS header. It also triggers if it detects two or more anomalies from the list of OVERLONG-PDU, SHORT-PDU, BAD_PROTO-ID.

Short Name
SCADA:MODBUS:NOT-MODBUS
Severity
Critical
Recommended
False
Recommended Action
None
Category
SCADA
Keywords
MODBUS NOT
Release Date
01/22/2008
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3324
False Positive
Unknown

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