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. Nessus updates the information every 30 seconds.
For information, see Monitor Scanner Health.
Nessus organizes the Scanner Health information into three categories:
| Widget | Description | Actions |
|---|---|---|
| Current Health | Widgets showing Nessus memory used in MB, CPU load, and the number of hosts Nessus is scanning. | 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 showing how much of your system memory Nessus is using. | None |
| Nessus Data Disk Space | Chart showing the percentage of free and used disk space on the disk where you installed Nessus's data directory. | None |
| Memory Usage History | Graph showing how many MB of memory Nessus used over time. |
Hover over a point on the graph to see detailed data.
|
| CPU Usage History | Graph showing the percentage of CPU load Nessus used over time. | Hover over a point on the graph to see detailed data. |
| Scanning History | Graph showing the number of scans Nessus ran and active targets Nessus scanned over time. | Hover over a point on the graph to see detailed data. |
| Widget | Description | Actions |
|---|---|---|
| Scanning History | Graph showing 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 showing 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 showing 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 showing 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 showing 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. |
| 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. |