STIGUI
V-256724CAT II — Medium severitySV-256724r961152_rule

Lookup Service must limit the number of allowed connections.

Rule version VCLU-70-000019 · STIG v1 · 2026-09-09

Discussion

Limiting the number of established connections is a basic denial-of-service protection and a best practice. Servers where the limit is too high or unlimited could run out of system resources and negatively affect system availability.

Check

At the command prompt, run the following command:

# xmllint --xpath '/Server/Service/Connector[@port="${bio-custom.http.port}"]/@acceptCount' /usr/lib/vmware-lookupsvc/conf/server.xml

Expected result:

acceptCount="100"

If the output does not match the expected result, this is a finding.

Fix

Navigate to and open:

/usr/lib/vmware-lookupsvc/conf/server.xml

Navigate to the <Connector> configured with port="${bio-custom.http.port}".

Add or change the following value:

acceptCount="100"

Restart the service with the following command:

# vmon-cli --restart lookupsvc

Identifiers

Group ID
V-256724
Group title
SRG-APP-000246-WSR-000149
Rule ID
SV-256724r961152_rule
Check ID
C-60399r888761_chk
Fix ID
F-60342r888762_fix