The DNS implementation must protect the authenticity of communications sessions for dynamic updates.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-54827	SRG-APP-000219-DNS-000029	SV-69073r1_rule		Medium

Description
DNS is a fundamental network service that is prone to various attacks, such as cache poisoning and man-in-the middle attacks. If communication sessions are not provided appropriate validity protections, such as the employment of DNSSEC, the authenticity of the data cannot be guaranteed.

STIG	Date
Domain Name System (DNS) Security Requirements Guide	2015-01-05

Details

Check Text ( C-55449r1_chk )
Review the DNS server configuration to determine if communication sessions for dynamic updates are provided authenticity protection. If communications sessions do not employ authenticity protections, this is a finding.

Fix Text (F-59685r1_fix)
Configure the DNS server to employ mechanisms to protect the authenticity of communications sessions for dynamic updates.