If IPv6 is not utilized on AIX server, the autoconf6 daemon must be disabled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-215357	AIX7-00-003051	SV-215357r958478_rule		Medium

Description

"autoconf6" is used to automatically configure IPv6 interfaces at boot time. Running this service may allow other hosts on the same physical subnet to connect via IPv6, even when the network does not support it. Disable this unless you use IPv6 on the server.

STIG	Date
IBM AIX 7.x Security Technical Implementation Guide	2024-08-16

Details

Check Text (C-16555r569497_chk)

From the command prompt, execute the following command:
# grep "^start[[:blank:]]/usr/sbin/autoconf6" /etc/rc.tcpip

If there is any output from the command, this is a finding.

Fix Text (F-16553r569498_fix)

In "/etc/rc.tcpip", comment out the "autoconf6" entry by running command:
# chrctcp -d autoconf6