The SSH daemon must be configured to only use FIPS 140-2 approved ciphers.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22458	GEN005505 M6	SV-39360r1_rule	DCNR-1	Medium

Description
DoD information systems are required to use FIPS 140-2 approved ciphers. SSHv2 ciphers meeting this requirement are 3DES and AES.

STIG	Date
MAC OSX 10.6 Workstation Security Technical Implementation Guide Draft	2013-01-10

Details

Check Text ( C-38307r1_chk )
Open a terminal session and enter the following command. grep -i ciphers /etc/sshd_config | grep -v '^#' If no lines are returned, or the returned ciphers list contains any cipher not starting with "3DES" or "AES", this is a finding.

Fix Text (F-33597r1_fix)
Open a terminal session and edit the SSH daemon configuration file "/etc/sshd_config" to remove any ciphers not starting with "3DES" or "AES".