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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-26811r1_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
HP-UX 11.31 Security Technical Implementation Guide 2017-01-27

Details

Check Text ( None )
None
Fix Text (F-24054r1_fix)
Disable IPv6 forwarding:
# ndd -set /dev/ip6 ip6_forwarding 0

Edit /etc/rc.config.d/nddconf:
TRANSPORT_NAME[index]=ip6
NDD_NAME[index]=ip6_forwarding
NDD_VALUE[index]=0

Where:
index is the next available integer value of the nddconf file.
n is a number: either 1 to turn the feature ON or 0 to turn it OFF.