AlmaLinux OS 9 must encrypt the transfer of audit records offloaded onto a different system or media from the system being audited via rsyslog.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-269514 | SRG-OS-000479-GPOS-00224 | ALMA-09-052710 | SV-269514r1050397_rule | 2025-05-22 | 1 |
| Description |
|---|
| Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common process in information systems with limited audit storage capacity. |
| ℹ️ Check |
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| Verify AlmaLinux OS 9 encrypts audit records offloaded onto a different system or media from the system being audited via rsyslog with the following command: $ grep -i '$ActionSendStreamDriverMode' /etc/rsyslog.conf /etc/rsyslog.d/*.conf /etc/rsyslog.d/stig.conf:$ActionSendStreamDriverMode 1 If the value of the "$ActionSendStreamDriverMode" option is not set to "1" or the line is commented out, this is a finding. |
| ✔️ Fix |
|---|
| Configure AlmaLinux OS 9 to encrypt offloaded audit records via rsyslog by setting the following options in "/etc/rsyslog.conf" or "/etc/rsyslog.d/[customfile].conf": $ActionSendStreamDriverMode 1 |