II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000163-GPOS-00072
<GroupDescription></GroupDescription>Group -
The macOS system must configure SSHD unused connection timeout to 900.
<VulnDiscussion>If SSHD is enabled, it must be configured with unused connection timeout set to 900. This will set the timeout when there ar...Rule Medium Severity -
SRG-OS-000163-GPOS-00072
<GroupDescription></GroupDescription>Group -
The macOS system must set SSH Active Server Alive Maximum to 0.
<VulnDiscussion>SSH must be configured with an Active Server Alive Maximum Count set to 0. Terminating an idle session within a short time pe...Rule Medium Severity -
SRG-OS-000279-GPOS-00109
<GroupDescription></GroupDescription>Group -
The macOS system must enforce auto logout after 86400 seconds of inactivity.
<VulnDiscussion>Auto logout must be configured to automatically terminate a user session and log out after 86400 seconds of inactivity. NOTE...Rule Medium Severity -
SRG-OS-000355-GPOS-00143
<GroupDescription></GroupDescription>Group -
The macOS system must be configured to use an authorized time server.
<VulnDiscussion>An approved time server must be the only server configured for use. As of macOS 10.13, only one time server is supported. Th...Rule Medium Severity -
SRG-OS-000355-GPOS-00143
<GroupDescription></GroupDescription>Group -
The macOS system must enable the time synchronization daemon.
<VulnDiscussion>The macOS time synchronization daemon (timed) must be enabled for proper time synchronization to an authorized time server. ...Rule Medium Severity -
SRG-OS-000064-GPOS-00033
<GroupDescription></GroupDescription>Group -
The macOS system must configure sudo to log events.
<VulnDiscussion>Sudo must be configured to log privilege escalation. Without logging privilege escalation, it is difficult to identify attem...Rule Medium Severity -
SRG-OS-000004-GPOS-00004
<GroupDescription></GroupDescription>Group -
The macOS system must be configured to audit all administrative action events.
<VulnDiscussion>The auditing system must be configured to flag administrative action (ad) events. Administrative action events include chang...Rule Medium Severity -
SRG-OS-000032-GPOS-00013
<GroupDescription></GroupDescription>Group -
The macOS system must be configured to audit all login and logout events.
<VulnDiscussion>The audit system must be configured to record all attempts to log in and out of the system (lo). Frequently, an attacker tha...Rule Medium Severity -
SRG-OS-000037-GPOS-00015
<GroupDescription></GroupDescription>Group -
The macOS system must enable security auditing.
<VulnDiscussion>The information system must be configured to generate audit records. Audit records establish what types of events have occur...Rule Medium Severity -
SRG-OS-000047-GPOS-00023
<GroupDescription></GroupDescription>Group -
The macOS system must be configured to shut down upon audit failure.
<VulnDiscussion>The audit service must be configured to shut down the computer if it is unable to audit system events. Once audit failure oc...Rule Medium Severity -
SRG-OS-000057-GPOS-00027
<GroupDescription></GroupDescription>Group -
The macOS system must configure audit log files to be owned by root.
<VulnDiscussion>Audit log files must be owned by root. The audit service must be configured to create log files with the correct ownership t...Rule Medium Severity -
SRG-OS-000057-GPOS-00027
<GroupDescription></GroupDescription>Group -
The macOS system must configure audit log folders to be owned by root.
<VulnDiscussion>Audit log folders must be owned by root. The audit service must be configured to create log folders with the correct ownersh...Rule Medium Severity -
SRG-OS-000057-GPOS-00027
<GroupDescription></GroupDescription>Group -
The macOS system must configure the audit log files group to wheel.
<VulnDiscussion>Audit log files must have the group set to wheel. The audit service must be configured to create log files with the correct ...Rule Medium Severity -
SRG-OS-000057-GPOS-00027
<GroupDescription></GroupDescription>Group -
The macOS system must configure the audit log folders group to wheel.
<VulnDiscussion>Audit log files must have the group set to wheel. The audit service must be configured to create log files with the correct ...Rule Medium Severity -
SRG-OS-000057-GPOS-00027
<GroupDescription></GroupDescription>Group -
The macOS system must configure audit log files to mode 440 or less permissive.
<VulnDiscussion>The audit service must be configured to create log files that are readable only by the root user and group wheel. To achieve ...Rule Medium Severity -
SRG-OS-000057-GPOS-00027
<GroupDescription></GroupDescription>Group -
The macOS system must configure audit log folders to mode 700 or less permissive.
<VulnDiscussion>The audit log folder must be configured to mode 700 or less permissive so that only the root user is able to read, write, and...Rule Medium Severity -
SRG-OS-000057-GPOS-00027
<GroupDescription></GroupDescription>Group -
The macOS system must be configured to audit all deletions of object attributes.
<VulnDiscussion>The audit system must be configured to record enforcement actions of attempts to delete file attributes (fd). ***Enforcement...Rule Medium Severity -
SRG-OS-000057-GPOS-00027
<GroupDescription></GroupDescription>Group -
The macOS system must be configured to audit all changes of object attributes.
<VulnDiscussion>The audit system must be configured to record enforcement actions of attempts to modify file attributes (fm). Enforcement ac...Rule Medium Severity -
SRG-OS-000057-GPOS-00027
<GroupDescription></GroupDescription>Group -
The macOS system must be configured to audit all failed read actions on the system.
<VulnDiscussion>The audit system must be configured to record enforcement actions of access restrictions, including failed file read (-fr) at...Rule Medium Severity -
SRG-OS-000057-GPOS-00027
<GroupDescription></GroupDescription>Group -
The macOS system must be configured to audit all failed write actions on the system.
<VulnDiscussion>The audit system must be configured to record enforcement actions of access restrictions, including failed file write (-fw) a...Rule Medium Severity -
SRG-OS-000341-GPOS-00132
<GroupDescription></GroupDescription>Group -
The macOS system must configure audit retention to seven days.
<VulnDiscussion>The audit service must be configured to require that records be kept for an organizational-defined value before deletion unle...Rule Low Severity -
SRG-OS-000046-GPOS-00022
<GroupDescription></GroupDescription>Group -
The macOS system must configure audit capacity warning.
<VulnDiscussion>The audit service must be configured to notify the system administrator when the amount of free disk space remaining reaches ...Rule Medium Severity -
SRG-OS-000047-GPOS-00023
<GroupDescription></GroupDescription>Group -
The macOS system must configure audit failure notification.
<VulnDiscussion>The audit service must be configured to immediately print messages to the console or email administrator users when an auditi...Rule Medium Severity -
SRG-OS-000365-GPOS-00152
<GroupDescription></GroupDescription>Group -
The macOS system must be configured to audit all authorization and authentication events.
<VulnDiscussion>The auditing system must be configured to flag authorization and authentication (aa) events. Authentication events contain i...Rule Medium Severity -
SRG-OS-000066-GPOS-00034
<GroupDescription></GroupDescription>Group -
The macOS system must set smart card certificate trust to moderate.
<VulnDiscussion>The macOS system must be configured to block access to users who are no longer authorized (i.e., users with revoked certifica...Rule Medium Severity
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