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

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

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-230788	APPL-11-002003	SV-230788r599842_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 macOS 11 (Big Sur) Security Technical Implementation Guide	2022-11-18

Details

Check Text ( C-33733r607251_chk )
If the NFS daemon is required, this is not applicable. To check if the NFS daemon is disabled, use the following command: /bin/launchctl print-disabled system \| /usr/bin/grep com.apple.nfsd If the results do not show the following, this is a finding: "com.apple.nfsd" => true

Fix Text (F-33706r607252_fix)
To disable the NFS daemon, run the following command: /usr/bin/sudo /bin/launchctl disable system/com.apple.nfsd The system may need to be restarted for the update to take effect.