Plugin Updates

The following table describes the behavior of differential plugin updates for agents linked to either Tenable.io or Nessus Manager.

Linked Differential Update Full Update
Tenable.io

The agent requests differential updates from Tenable.io once every 24 hours.

The agent performs a differential plugin update when the agent plugin set is 15 days or less behind the Tenable.io plugin set.

The agent performs a full plugin update when the agent plugin set is more than 15 days behind the Tenable.io plugin set.

Nessus Manager The agent performs a differential plugin update when the agent plugin set is 5 days or less behind the Nessus Manager plugin set. The agent performs a full plugin update when the agent plugin set is more than 5 days behind the Nessus Manager plugin set.