Point security attributes

You can configure security for PI point attributes and PI point data by restricting user access.

For each point, you can restrict user access using the following point attributes:

• Point security attribute

  The point security (ptsecurity) attribute controls which users can read and make changes to PI point attributes.

  The PI identity in the PI trust that authenticates the interface instance must be granted read access by the ptsecurity attribute of every PI point that the interface services.

• Data security attribute

  The data security (datasecurity) attribute controls which users can read or edit PI point data values.

  The PI identity in the PI trust that authenticates the interface instance must be granted read access by the datasecurity attribute of every PI point that the interface instance services. If the interface is used without a buffering application, write access also must be granted. If the interface is used with a buffering application, the buffering application requires write access, but the interface does not.

For more information about interface security, see Security requirements and best practices for interfaces.