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If IPv6 is not utilized on AIX server, the authoconf6 daemon must be disabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-91341 AIX7-00-003051 SV-101439r1_rule Medium
Description
authoconf6 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 2019-04-29

Details

Check Text ( C-90495r1_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-97539r1_fix)
In "/etc/rc.tcpip", comment out the "autoconf6" entry by running command:
# chrctcp -d autoconf6