STIGUI
V-221936CAT III — Low severitySV-221936r961863_rule

Splunk Enterprise forwarders must be configured with Indexer Acknowledgement enabled.

Rule version SPLK-CL-000175 · STIG v3 · 2024-08-27

Discussion

To prevent the loss of data during transmission, a handshake acknowledgement between the sender and the recipient may need configured.

Check

If the server being reviewed is not a forwarder, this check is N/A.

In the Splunk installation folder, check the following file in the $SPLUNK_HOME/etc/system/local folder:

outputs.conf

Locate the section similar to:

[tcpout:group1] useACK=true

Note that group1 may be named differently depending on how tcpout was configured.

If the useACK=true statement is missing or set to false, this is a finding.

Fix

If the server is not a forwarder, this check is N/A.

In the Splunk installation folder, edit the following file in the $SPLUNK_HOME/etc/system/local folder:

outputs.conf

Locate the section similar to:

[tcpout:group1]

Note that group1 may be named differently depending on how tcpout was configured.

Add the following line under the group stanza above:

useACK=true

Identifiers

Group ID
V-221936
Group title
SRG-APP-000516-AU-000340
Rule ID
SV-221936r961863_rule
Check ID
C-23650r420276_chk
Fix ID
F-23639r420277_fix