STIGQter: STIG Summary: Tri-Lab Operating System Stack (TOSS) 4 Security Technical Implementation Guide Version: 2 Release: 6 Benchmark Date: 01 Jul 2026:

A File Transfer Protocol (FTP) server package must not be installed unless mission essential on TOSS.

DISA Rule

SV-253098r991589_rule

Vulnerability Number

V-253098

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

TOSS-04-040560

Severity

CAT I

CCI(s)

• CCI-000366 - Implement the security configuration settings.

Weight

10

Fix Recommendation

Document the FTP server package with the ISSO as an operational requirement or remove it from the system with the following command:

$ sudo yum remove vsftpd

Check Contents

Verify an FTP server has not been installed on the system with the following commands:

$ sudo yum list installed *ftpd*

vsftpd.x86_64 3.0.3-28.el8 appstream

If an FTP server is installed and is not documented with the Information System Security Officer (ISSO) as an operational requirement, this is a finding.

Vulnerability Number

V-253098

Documentable

False

Rule Version

TOSS-04-040560

Severity Override Guidance

Verify an FTP server has not been installed on the system with the following commands:

$ sudo yum list installed *ftpd*

vsftpd.x86_64 3.0.3-28.el8 appstream

If an FTP server is installed and is not documented with the Information System Security Officer (ISSO) as an operational requirement, this is a finding.

Check Content Reference

M

Target Key

5469