17.2.5. SCADA log description

Field name

Description

Example value

timestamp

Time when the event was received. Format: yyyy-mm-ddThh:mm:ssZ.

2022-05-12T08:11:46.15869Z

pdu_severity

SCADA severity.

Available values:

  • 1: very low;

  • 2: low;

  • 3: medium;

  • 4: high;

  • 5: very high.

pdu_func

Function code (instructs the slave what data the master requires from it or what action to perform).

12

pdu_address

Registry address with which the operation should be performed.

3154

node

A unique name of the device which generated the event.

utmcore@ersthetatica

details

pdu_varname

Variable name. Parameter is mainly used for real-time data exchange. Refers to the MMS protocol.

VAR

pdu_device

Address of the device used in the MMS and OPCUA protocols.

DEV

mb_write_quantity

Number of values to write (Read Write Register command).

998

mb_write_addr

Start register address to write (Read Write Register command).

776

mb_value

Value to write (for Write Single Coil, Write Single Register commands).

322

mb_unit_id

Device address.

186

mb_read_quantity

Number of values to read (Read Write Register command).

658

mb_read_addr

Start registry address to read (Read Write Register command).

122

mb_quantity

Number of values to read.

875

mb_payload

Register values (for Read Coil, Read Holding Registers, Read Input Registers, Read/Write Multiple registers, Write Multiple Coil commands).

75be5ecdc24f9883

mb_or_mask

OR mask value of the Mask Write Register command.

1024

mb_message

Modbus message.

exception

mb_exception_code

Error code. For the error_response message type.

255

mb_and_mask

AND mask value of the Mask Write Register command.

121

mb_addr

Registry address.

3154

iec104_msgtype

Type of the query.

request, response, error_response

iec104_ioa

Address of information object which allows the receiving party to unambiguously identify the type of event.

23

iec104_cot

Reason for transmitting an Application Protocol Data Unit (APDU).

6

iec104_asdu

ASDU address (COA: Common Object Address). Refers to the IEC-104 protocol.

123

app_protocol

Application layer protocol.

Modbus

action

Action taken by the device according to the configured policies.

pass

source

zone

guid

Unique ID of the traffic source zone.

d0038912-0d8a-4583-a525-e63950b1da47

name

Traffic source zone name.

Trusted

country

Source country name.

AE (a two-letter country code is displayed)

ip

IPv4 address of the traffic source.

10.10.10.10

port

Source port.

Values: 0-65535.

destination

zone

guid

Unique ID of the traffic destination zone.

3c0b1253-f069-4060-903b-5fec4f465db0

name

Traffic destination zone name.

Untrusted

country

Destination country name.

AE (a two-letter country code is displayed)

ip

IPv4 address of the traffic destination.

104.19.197.151

port

Destination port.

Values: 0-65535.

rule

guid

Unique ID of the rule triggered to cause the event.

59e38e06-533a-4771-9664-031c3e8b2e1f

name

Name of the rule triggered to cause the event.

SCADA Sample Rule