The macOS system must be configured to disable the Network File System (NFS) stat daemon unless it is required.

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The macOS system must be configured to disable the Network File System (NFS) stat daemon unless it is required.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-81515	AOSX-13-000143	SV-96229r1_rule		Medium

Description
If the system does not require access to NFS file shares or is not acting as an NFS server, support for NFS is non-essential and NFS services must be disabled. NFS is a network file system protocol supported by UNIX-like operating systems. Enabling any service increases the attack surface for an intruder. By disabling unnecessary services, the attack surface is minimized.

STIG	Date
Apple OS X 10.13 Security Technical Implementation Guide	2019-03-08

Details

Check Text ( C-81263r1_chk )
If the NFS stat daemon is required, this is not applicable. To check if the NFS stat daemon is disabled, use the following command: /usr/bin/sudo /bin/launchctl print-disabled system \| /usr/bin/grep com.apple.statd.notify If the results do not show the following, this is a finding: "com.apple.statd.notify" => true

Fix Text (F-88339r1_fix)
To disable the NFS stat daemon, run the following command: /usr/bin/sudo /bin/launchctl disable system/com.apple.statd.notify The system may need to be restarted for the update to take effect.