The OS X system must implement NSA-approved cryptography to protect classified information in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards.

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The OS X system must implement NSA-approved cryptography to protect classified information in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-76073	AOSX-12-000570	SV-90761r1_rule		Medium

Description
Use of weak or untested encryption algorithms undermines the purposes of using encryption to protect data. The operating system must implement cryptographic modules adhering to the higher standards approved by the federal government since this provides assurance they have been tested and validated. Satisfies: SRG-OS-000112-GPOS-00057, SRG-OS-000113-GPOS-00058, SRG-OS-000396-GPOS-00176

STIG	Date
Apple OS X 10.12 Security Technical Implementation Guide	2018-04-09

Details

Check Text ( C-75757r1_chk )
To check which protocol is configured for sshd, run the following: /usr/bin/sudo /usr/bin/grep ^Protocol /etc/ssh/sshd_config If there is no result or the result is not "Protocol 2", this is a finding.

Fix Text (F-82711r1_fix)
To ensure that "Protocol 2" is used by sshd, run the following command: /usr/bin/sudo /usr/bin/sed -i.bak 's/.Protocol./Protocol 2/' /etc/ssh/sshd_config