The services file must not have an extended ACL.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22428	GEN003790 M6	SV-38124r1_rule	ECLP-1	Medium

Description
The services file is critical to the proper operation of network services and must be protected from unauthorized modification. If the services file has an extended ACL, it may be possible for unauthorized users to modify the file. Unauthorized modification could result in the failure of network services.

STIG	Date
MAC OSX 10.6 Workstation Security Technical Implementation Guide	2013-04-09

Details

Check Text ( C-37664r1_chk )
Open a terminal session and enter the following command to view the /etc/services file extended ACLs. ls -lL /etc/services If the permissions include a '+', the file has an extended ACL, this is a finding.

Fix Text (F-32905r1_fix)
Open a terminal session and enter the following command to remove the extended ACLs. chmod -N /etc/services