TOC & Recently Viewed

Recently Viewed Topics

Scanner Health

The Scanner Health page provides you with information about the performance of your Nessus scanner. You can monitor real-time health and performance data to help troubleshoot scanner issues. Scanner alerts provide information about system errors that may cause your scanner to malfunction. Information is updated every 30 seconds.

For information, see Monitor Scanner Health.

Scanner Health information is organized into three categories:

Overview

Widget Description Actions
Current Health Widgets displaying Nessus memory used in MB, CPU load, and the number of hosts currently being scanned. None
Scanner Alerts Alerts about areas where your Nessus scanner performance may be suffering. Alerts can have a severity level of Info, Low, Medium, or High.

Click an alert to see more details.

If there are more than five alerts, click More Alerts to see the full list of alerts.

System Memory Chart displaying how much of your system memory Nessus is using. None
Nessus Data Disk Space Chart displaying the percentage of free and used disk space on the disk where Nessus's data directory is installed. None
Memory Usage History Graph displaying how many MB of memory Nessus used over time.

Hover over a point on the graph to see detailed data.

 

CPU Usage History Graph displaying the percentage of CPU load Nessus used over time. Hover over a point on the graph to see detailed data.
Scanning History Graph displaying the number of scans Nessus ran and active targets Nessus scanned over time. Hover over a point on the graph to see detailed data.

Network

Widget Description Actions
Scanning History Graph displaying the number of scans Nessus ran and active targets Nessus scanned over time. Hover over a point on the graph to see detailed data.
Network Connections Graph displaying the number of TCP sessions Nessus creates during scans over time. Hover over a point on the graph to see detailed data.
Network Traffic Graph displaying how much traffic Nessus is sending and receiving over the network over time. Hover over a point on the graph to see detailed data.
Number of DNS Lookups Graph displaying how many reverse DNS (rDNS) and DNS lookups Nessus performs over time. Hover over a point on the graph to see detailed data.
DNS Lookup Time Graph displaying the average time that Nessus takes to perform rDNS and DNS lookups over time. Hover over a point on the graph to see detailed data.

Alerts

Widget Description Actions
Scanner Alerts List of alerts about areas where your Nessus scanner performance may be suffering. Alerts can have a severity level of Info, Low, Medium, or High. Click an alert to see more details.

Copyright © 2019 Tenable, Inc. All rights reserved. Tenable, Tenable.io, Tenable Network Security, Nessus, SecurityCenter, SecurityCenter Continuous View and Log Correlation Engine are registered trademarks of Tenable, Inc.. Tenable.sc, Lumin, Assure, and the Cyber Exposure Company are trademarks of Tenable, Inc. All other products or services are trademarks of their respective owners.