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The DHCP client must be disabled if not needed.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22548 GEN007840 SV-38931r1_rule ECSC-1 Medium
Description
DHCP allows for the unauthenticated configuration of network parameters on the system by exchanging information with a DHCP server.
STIG Date
AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE 2018-09-18

Details

Check Text ( C-37915r1_chk )
If the DHCP client is needed by the system, this is not applicable.

Determine if the DHCP client is disabled.
# ps -ef |grep dhcpcd
If dhcpcd is running, this is a finding.
Fix Text (F-33172r1_fix)
Disable the system's DHCP client.

Edit /etc/rc.tcpip, comment out the line starting dhcpcd. Reboot the system to ensure the DHCP client has been disabled fully. Configure a static IP for the system, if network connectivity is required.