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The system must be configured with a default gateway for IPv6 if the system uses IPv6, unless the system is a router.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22490 GEN005570 SV-46111r1_rule ECSC-1 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
SUSE Linux Enterprise Server v11 for System z 2015-01-26

Details

Check Text ( C-43368r1_chk )
Check for a default route for IPv6. If the system is a VM host and acts as a router solely for the benefit of its client systems, then this rule is not applicable.

# ip -6 route list | grep default
If the system uses IPv6, and no results are returned, this is a finding.
Fix Text (F-39452r1_fix)
Add a default route for IPv6.
Edit /etc/sysconfig/network/routes
Restart the interface.
# ifdown eth0; ifup eth0