Plugin Updates

The following table describes the behavior of differential plugin updates for agents linked to Tenable Vulnerability Management:

Linked	Differential Update	Full Update
Tenable Vulnerability Management	The agent requests differential updates from Tenable Vulnerability Management once every 24 hours.	The agent performs a full plugin update at scan time whenever the agent needs all plugin sets for certain scan policies. The agent also deletes unused plugin sets after a configurable amount of time. After the amount of time passes, the agent performs a full update and deletes the unused plugin sets. For more information, see the days_to_keep_unused_plugins advanced setting.

Linked

Differential Update

Full Update

Tenable Vulnerability Management

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

The agent performs a full plugin update at scan time whenever the agent needs all plugin sets for certain scan policies.

The agent also deletes unused plugin sets after a configurable amount of time. After the amount of time passes, the agent performs a full update and deletes the unused plugin sets. For more information, see the days_to_keep_unused_plugins advanced setting.