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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-215357r513945_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 2022-06-06

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