OPC UA Server Properties

port (integer)

Port of the listening socket

Default: 4841

Example: 4841

maxSessions (integer)

Max Sessions allowed by user

Default: 20

Example: 1000

maxConnections (integer)

Max Connections allowed for a single endpoint to prevent DDoS attacks

Default: 20

Example: 1000

resourcePath (string)

Resource Path of the OPC Server. This must be added to the OPC UA connection URN of the client

Default: "/UA/CybusOpcuaServer"

Examples: "/UA/CybusOpcuaServer", "/My/IndividualName"

alternateHostname (string)

This setting is deprecated, has been renamed into 'hostname', and will be removed in a future release

Examples: "10.20.30.40", "my.connectware-host.company.com"

hostname (string)

The hostname by which the Connectware with the OPC UA server will be reachable on the system. This can be either an IP address or a DNS name.

Examples: "10.20.30.40", "my.connectware-host.company.com"

applicationUri (string)

The application URI is used to define the namespace name of the Connectware defined NodeIds

Default: "urn:cybus:opcua:server:1"

Example: "urn:cybus:opcua:server:1"

allowAnonymous (boolean)

If true, usage of anonymous access token is allowed. In that case, OPC UA clients are allowed to connect without any authentication. Note: This is a high security risk and must not be used in production deployments.

Default: false

Example: true

certificateFile (string)

Absolute path to the server certificate file

Default: "/connectware_certs/cybus_server.crt"

Example: "/connectware_certs/cybus_server.crt"

privateKeyFile (string)

Absolute path to the server private key file

Default: "/connectware_certs/cybus_server.key"

Example: "/connectware_certs/cybus_server.key"

securityPolicies (array)

Defines the list of OPC UA securityPolicies that will be available on the server. Note: The policy "None" is a high security risk and must not be used in production deployments.

The object is an array with all elements of the type string.

Each element of the array must be one of the following enum values:

• Basic256Sha256

• None

Default:

[
  "Basic256Sha256"
]

Example: "[\"Basic256Sha256\", \"None\"]"

nodesetFiles (array)

Predefined Nodeset files to load on startup

The object is an array with all elements of the type string.

securityModes (array)

Defines the list of OPC UA security modes which an OPC client can use to establish a connection to the Cybus OPC UA server

The object is an array with all elements of the type string.

Each element of the array must be one of the following enum values:

• Invalid

• None

• Sign

• SignAndEncrypt

Default:

[
  "SignAndEncrypt"
]

Example: "[\"None\", \"SignAndEncrypt\"]"

database (object)

Definition of the database for historical access of the data. If this property exists, historical access is enabled, otherwise it is not enabled.

Properties of the database object:

type (string, enum)

Type of the history database

This element must be one of the following enum values:

• influx

Default: "influx"

Example: "influx"

host (string)

Database Host

Example: "10.20.30.40"

port (integer)

Port of the database server

Default: 8086

Example: 8086

name (string)

Database Name

Example: "opcuaHistory"

retention (integer)

Data older than the specified number of days will be automatically discarded

Example: 356