The system must not have IP forwarding for IPv6 enabled, unless the system is an IPv6 router.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22491	GEN005610	SV-26810r1_rule	ECSC-1	Medium

Description
If the system is configured for IP forwarding and is not a designated router, it could be used to bypass network security by providing a path for communication not filtered by network devices.

STIG	Date
SOLARIS 9 X86 SECURITY TECHNICAL IMPLEMENTATION GUIDE	2015-10-01

Details

Check Text ( C-27798r1_chk )
Check if the system is configured for IPv6 forwarding. # ndd /dev/ip6 ip6_forwarding If the value is not 0, this is a finding.

Fix Text (F-24053r1_fix)
Disable IPv6 forwarding. # ndd -set /dev/ip6 ip6_forwarding 0 Edit startup scripts as necessary; add this command or remove commands setting the value to 1.