If DHCP is not enabled in the network on AIX, the dhcprd daemon must be disabled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-215356	AIX7-00-003050	SV-215356r958478_rule		Medium

Description

The dhcprd daemon listens for broadcast packets, receives them, and forwards them to the appropriate server. 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-16554r294519_chk)

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

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

Fix Text (F-16552r294520_fix)

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