Performance Charts must limit the number of allowed connections.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-256629 | SRG-APP-000246-WSR-000149 | VCPF-70-000019 | SV-256629r888378_rule | 2023-02-21 | 1 |
| Description |
|---|
| Limiting the number of established connections to Performance Charts is a basic denial-of-service protection. Servers where the limit is too high or unlimited could run out of system resources and negatively affect system availability. |
| ℹ️ Check |
|---|
| At the command prompt, run the following command: # xmllint --xpath '/Server/Service/Connector/@acceptCount' /usr/lib/vmware-perfcharts/tc-instance/conf/server.xml Expected result: acceptCount="300" If the output does not match the expected result, this is a finding. |
| ✔️ Fix |
|---|
| Navigate to and open: /usr/lib/vmware-perfcharts/tc-instance/conf/server.xml Configure the <Connector> node with the value: acceptCount="300" Restart the service with the following command: # vmon-cli --restart perfcharts |