STIGQter: STIG Summary: VMware vSphere 8.0 vCenter Appliance Envoy Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 01 Jul 2026:

The vCenter Envoy service must set a limit on remote connections.

DISA Rule

SV-259165r960735_rule

Vulnerability Number

V-259165

Group Title

SRG-APP-000001-WSR-000001

Rule Version

VCRP-80-000098

Severity

CAT II

CCI(s)

• CCI-000054 - Limit the number of concurrent sessions for each organization-defined account and/or account type to an organization-defined number.

Weight

10

Fix Recommendation

Navigate to and open:

/etc/vmware-rhttpproxy/config.xml

Locate the <config>/<envoy>/<L4Filter> block and configure it as follows:

<maxRemoteHttpsConnections>2048</maxRemoteHttpsConnections>
<maxRemoteHttpConnections>2048</maxRemoteHttpConnections>

Restart the service for changes to take effect.

# vmon-cli --restart rhttpproxy

Check Contents

At the command prompt, run the following commands:

# xmllint --xpath '/config/envoy/L4Filter/maxRemoteHttpsConnections/text()' /etc/vmware-rhttpproxy/config.xml
# xmllint --xpath '/config/envoy/L4Filter/maxRemoteHttpConnections/text()' /etc/vmware-rhttpproxy/config.xml

Example result:

2048

or

XPath set is empty

If the output is not "2048" or "XPath set it empty", this is a finding.

Note: If "XPath set is empty" is returned the default values are in effect and is 2048.

Vulnerability Number

V-259165

Documentable

False

Rule Version

VCRP-80-000098

Severity Override Guidance

At the command prompt, run the following commands:

# xmllint --xpath '/config/envoy/L4Filter/maxRemoteHttpsConnections/text()' /etc/vmware-rhttpproxy/config.xml
# xmllint --xpath '/config/envoy/L4Filter/maxRemoteHttpConnections/text()' /etc/vmware-rhttpproxy/config.xml

Example result:

2048

or

XPath set is empty

If the output is not "2048" or "XPath set it empty", this is a finding.

Note: If "XPath set is empty" is returned the default values are in effect and is 2048.

Check Content Reference

M

Target Key

5572