The platform on which the name server software is hosted must only run processes and services needed to support the BIND 9.x implementation.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-207534	BIND-9X-001002	SV-207534r879887_rule		Medium

Description

Hosts that run the name server software should not provide any other services. Unnecessary services running on the DNS server can introduce additional attack vectors leading to the compromise of an organization’s DNS architecture.

STIG	Date
BIND 9.x Security Technical Implementation Guide	2024-02-15

Details

Check Text (C-7789r283656_chk)

Verify that the BIND 9.x server is dedicated for DNS traffic:

With the assistance of the DNS administrator, identify all of the processes running on the BIND 9.x server:

# ps -ef | less

If any of the identified processes are not in support of normal OS functionality or in support of the BIND 9.x process, this is a finding.

Fix Text (F-7789r283657_fix)

Disable or uninstall all non-DNS related applications from the BIND 9.x server.