If DHCP server is not required on AIX, the DHCP server must be disabled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-215405	AIX7-00-003104	SV-215405r958478_rule		Medium

Description

The dhcpsd daemon is the DHCP server that serves addresses and configuration information to DHCP clients in the network. To prevent remote attacks this daemon should not be enabled unless there is no alternative.

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

Details

Check Text (C-16603r294666_chk)

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

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

Fix Text (F-16601r294667_fix)

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