The system must ignore ICMPv4 bogus error responses.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-38537	RHEL-06-000093	SV-50338r1_rule		Low

Description
Ignoring bogus ICMP error responses reduces log size, although some activity would not be logged.

STIG	Date
Red Hat Enterprise Linux 6 Security Technical Implementation Guide	2014-06-10

Details

Check Text ( None )
None

Fix Text (F-43485r1_fix)
To set the runtime status of the "net.ipv4.icmp_ignore_bogus_error_responses" kernel parameter, run the following command: # sysctl -w net.ipv4.icmp_ignore_bogus_error_responses=1 If this is not the system's default value, add the following line to "/etc/sysctl.conf": net.ipv4.icmp_ignore_bogus_error_responses = 1