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

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-215264SRG-OS-000480-GPOS-00227AIX7-00-002065SV-215264r991589_rule2024-08-163
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.
ℹ️ Check
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
Configure an IPv6 default route on the system: # smitty route