The system must be configured with a default gateway for IPv4 if the system uses IPv4, unless the system is a router.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
GEN005560-ESXI5-000061	GEN005560-ESXI5-000061	GEN005560-ESXI5-000061_rule		Medium

Description
If a system has no default gateway defined, the system is at increased risk of man-in-the-middle, monitoring, and Denial-of-Service attacks.

STIG	Date
VMware ESXi v5 Security Technical Implementation Guide	2013-01-15

Details

Check Text ( C-GEN005560-ESXI5-000061_chk )
From the vSphere Client/vCenter: Click on the Configuration tab, Click on the DNS and Routing tabs, and verify that the default gateway information is entered and Click "Cancel". If the default gateway field has not been initialized (IP address is required), this is a finding.

Fix Text (F-GEN005560-ESXI5-000061_fix)
From the vSphere Client/vCenter, click on the Configuration tab; click on DNS and Routing; click on Properties/DNS and Routing, Configuration/Routing. Add a default gateway (IP address is required). Click "OK"