← Back to Domain Name System (DNS) Security Requirements Guide

V-205183

CAT II (Medium)

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

Rule ID

SV-205183r1043178_rule

STIG

Domain Name System (DNS) Security Requirements Guide

Version

V4R2

CCIs

CCI-001184

Discussion

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.

Check Content

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

Configure the DNS server to employ mechanisms to protect the authenticity of communications sessions for dynamic updates.