STIGQter: STIG Summary: Oracle Linux 9 Security Technical Implementation Guide Version: 1 Release: 6 Benchmark Date: 01 Jul 2026:

OL 9 Trivial File Transfer Protocol (TFTP) daemon must be configured to operate in secure mode if the TFTP server is required.

DISA Rule

SV-271764r1092004_rule

Vulnerability Number

V-271764

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

OL09-00-002426

Severity

CAT II

CCI(s)

CCI-000366 - Implement the security configuration settings.

Weight

Fix Recommendation

Configure the TFTP daemon to operate in secure mode.

Find the path for the systemd service.

$ sudo systemctl show tftp | grep FragmentPath=
FragmentPath=/etc/systemd/system/tftp.service

Edit the ExecStart line on that file to add the -s option with a subdirectory.

ExecStart=/usr/sbin/in.tftpd -s /var/lib/tftpboot

Check Contents

Verify that OL 9 TFTP daemon is configured to operate in secure mode.

Check if a TFTP server is installed with the following command:

$ sudo dnf list --installed tftp-server
Installed Packages
tftp-server.x86_64 5.2-38.el9 @ol9_appstream

Note: If a TFTP server is not installed, this requirement is Not Applicable.

If a TFTP server is installed, check for the server arguments with the following command:

$ systemctl cat tftp | grep ExecStart
ExecStart=/usr/sbin/in.tftpd -s /var/lib/tftpboot

If the "ExecStart" line does not have a "-s" option, and a subdirectory is not assigned, this is a finding.

Vulnerability Number

V-271764

Documentable

False

Rule Version

OL09-00-002426

Severity Override Guidance

Check Content Reference

Target Key

5680