← Back to Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide

V-282708

CAT II (Medium)

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

Rule ID

SV-282708r1201104_rule

STIG

Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide

Version

V1R1

CCIs

CCI-000366

Discussion

Service configuration files enable or disable features of their respective services that if configured incorrectly can lead to insecure and vulnerable configurations. Therefore, service configuration files should be owned by the correct group to prevent unauthorized changes.

Check Content

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.

Fix Text

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

$ sudo chmod 0600 /etc/ssh/sshd_config