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The DHCP client must be disabled if not needed.


Overview

Finding ID Version Rule ID IA Controls Severity
V-239549 VROM-SL-000650 SV-239549r662098_rule Medium
Description
DHCP allows for the unauthenticated configuration of network parameters on SLES for vRealize by exchanging information with a DHCP server.
STIG Date
VMware vRealize Operations Manager 6.x SLES Security Technical Implementation Guide 2021-07-01

Details

Check Text ( C-42782r662096_chk )
Check that no interface is configured to use "DHCP":

# grep -i bootproto=dhcp4 /etc/sysconfig/network/ifcfg-*

If any configuration is found, this is a finding.
Fix Text (F-42741r662097_fix)
Edit the "/etc/sysconfig/network/ifcfg-*" file(s) and change the "bootproto" setting to "static".