Splunk Enterprise idle session timeout must be set to not exceed 15 minutes.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-251657 | SRG-APP-000295-AU-000190 | SPLK-CL-000010 | SV-251657r1043182_rule | 2025-03-05 | 2 |
Description
Automatic session termination after a period of inactivity addresses the potential for a malicious actor to exploit the unattended session. Closing any unattended sessions reduces the attack surface to the application.
Satisfies: SRG-APP-000295-AU-000190, SRG-APP-000389-AU-000180
ℹ️ Check
This check is performed on the machine used as a search head, which may be a separate machine in a distributed environment.
If the instance being reviewed is not used as a search head, this check in Not Applicable.
Examine the configuration.
Navigate to the $SPLUNK_HOME/etc/system/local/ directory. View the web.conf file.
If the web.conf file does not exist, this is a finding.
If the "tools.sessions.timeout" is missing or is configured to 16 or more, this is a finding.
✔️ Fix
This configuration is performed on the machine used as a search head, which may be a separate machine in a distributed environment.
If the web.conf file does not exist, copy the file from $SPLUNK_HOME/etc/system/default to the $SPLUNK_HOME/etc/system/local directory.
Modify/Add the following lines in the web.conf file:
tools.session.timeout = 15