The system must ignore IPv4 ICMP redirect messages.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22416	GEN003609	SV-26080r1_rule	ECSC-1	Medium

Description
ICMP redirect messages are used by routers to inform hosts that a more direct route exists for a particular destination. These messages modify the host's route table and are unauthenticated. An illicit ICMP redirect message could result in a man-in-the-middle attack.

STIG	Date
VMware ESX 3 Server	2016-05-13

Details

Check Text ( C-29255r1_chk )
Determine if the system is configured to ignore IPv4 ICMP redirect messages. If not, this is a finding.

Fix Text (F-26274r1_fix)
Configure the system to ignore IPv4 ICMP redirect messages.