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 |
|---|---|---|---|---|---|---|
| medium | V-215264 | SRG-OS-000480-GPOS-00227 | AIX7-00-002065 | SV-215264r991589_rule | 2026-02-06 | 3 |
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