Details

Limiting the number of established connections to Sphere Client is a basic denial-of-service protection. Servers where the limit is too high or unlimited can potentially run out of system resources and negatively affect system availability.

Solution

Navigate to and open /usr/lib/vmware-vsphere-client/server/configuration/tomcat-server.xml.

Configure each node with the following:

acceptCount=’300′

Supportive Information

The following resource is also helpful.

• https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_VMW_vSphere_6-7_STIG.zip

This security hardening control applies to the following category of controls within NIST 800-53: System and Communications Protection.This control applies to the following type of system Unix.

References

• 800-53|SC-5(1)
• CAT|II
• CCI|CCI-001094
• Rule-ID|SV-239761r679510_rule
• STIG-ID|VCFL-67-000020
• Vuln-ID|V-239761

Source

• Tenable.com/audits