STIGQter: STIG Summary: Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 26 Mar 2026:

The TOSS 5 SSH server configuration file must have mode 0600 or less permissive.

DISA Rule

SV-282708r1201104_rule

Vulnerability Number

V-282708

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

TOSS-05-000252

Severity

CAT II

CCI(s)

• CCI-000366 - Implement the security configuration settings.

Weight

10

Fix Recommendation

Configure the "/etc/ssh/sshd_config" permissions to be "0600" using the following command:

$ sudo chmod 0600 /etc/ssh/sshd_config

Check Contents

Verify the permissions of the "/etc/ssh/sshd_config" file using the following command:

$ ls -al /etc/ssh/sshd_config

rw-------. 1 root root 3669 Feb 22 11:34 /etc/ssh/sshd_config

If the "/etc/ssh/sshd_config" permissions are not "0600", this is a finding.

Vulnerability Number

V-282708

Documentable

False

Rule Version

TOSS-05-000252

Severity Override Guidance

Verify the permissions of the "/etc/ssh/sshd_config" file using the following command:

$ ls -al /etc/ssh/sshd_config

rw-------. 1 root root 3669 Feb 22 11:34 /etc/ssh/sshd_config

If the "/etc/ssh/sshd_config" permissions are not "0600", this is a finding.

Check Content Reference

M

Target Key

5738