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V-215264

CAT II (Medium)

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

Rule ID

SV-215264r991589_rule

STIG

IBM AIX 7.x Security Technical Implementation Guide

Version

V3R2

CCIs

CCI-000366

Discussion

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.

Check Content

If the system is a router, this is Not Applicable. 

If the system does not use IPv6, this is Not Applicable. 

Determine if the system has a default route configured for IPv6 by running: 

# netstat -r | grep default 
default            10.11.20.1       UG        1      1823 en0      -      -

If a default route is not defined, this is a finding.

Fix Text

Configure an IPv6 default route on the system: 
# smitty route