The SSH daemon must not allow authentication using RSA rhosts authentication.

Changes are coming to https://stigviewer.com. Take our survey to help us understand your usage and how we can better serve you in the future.
Take Survey

The SSH daemon must not allow authentication using RSA rhosts authentication.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-72239	RHEL-07-040330	SV-86863r3_rule		Medium

Description
Configuring this setting for the SSH daemon provides additional assurance that remote logon via SSH will require a password, even in the event of misconfiguration elsewhere.

STIG	Date
Red Hat Enterprise Linux 7 Security Technical Implementation Guide	2017-12-14

Details

Check Text ( C-72473r4_chk )
Verify the SSH daemon does not allow authentication using RSA rhosts authentication. To determine how the SSH daemon's "RhostsRSAAuthentication" option is set, run the following command: # grep RhostsRSAAuthentication /etc/ssh/sshd_config RhostsRSAAuthentication no If the value is returned as "yes", the returned line is commented out, or no output is returned, this is a finding.

Fix Text (F-78593r4_fix)
Configure the SSH daemon to not allow authentication using RSA rhosts authentication. Add the following line in "/etc/ssh/sshd_config", or uncomment the line and set the value to "no": RhostsRSAAuthentication no The SSH service must be restarted for changes to take effect.