The ypserv package must not be installed.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-71969	RHEL-07-020010	SV-86593r1_rule		High

Description
Removing the "ypserv" package decreases the risk of the accidental (or intentional) activation of NIS or NIS+ services.

STIG	Date
Red Hat Enterprise Linux 7 Security Technical Implementation Guide	2017-12-14

Details

Check Text ( C-72201r1_chk )
The NIS service provides an unencrypted authentication service that does not provide for the confidentiality and integrity of user passwords or the remote session. Check to see if the "ypserve" package is installed with the following command: # yum list installed ypserv If the "ypserv" package is installed, this is a finding.

Fix Text (F-78321r1_fix)
Configure the operating system to disable non-essential capabilities by removing the "ypserv" package from the system with the following command: # yum remove ypserv