The system must not use UDP for NIS/NIS+.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-240430	VRAU-SL-000545	SV-240430r671031_rule		Medium

Description
Implementing NIS or NIS+ under UDP may make the system more susceptible to a denial-of-service attack and does not provide the same quality of service as TCP.

STIG	Date
VMware vRealize Automation 7.x SLES Security Technical Implementation Guide	2021-06-24

Details

Check Text ( C-43663r671029_chk )
If the SLES for vRealize does not use NIS or NIS+, this is not applicable. Check if NIS or NIS+ is implemented using UDP: # rpcinfo -p | grep yp | grep udp If NIS or NIS+ is implemented using UDP, this is a finding.

Fix Text (F-43622r671030_fix)
Configure the SLES for vRealize to not use UDP for NIS and NIS+. Consult vendor documentation for the required procedure.