STIGQter: STIG Summary: Microsoft Windows 2012 Server Domain Name System Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 23 Apr 2021:

The Windows 2012 DNS Server authoritative for local zones must only point root hints to the DNS servers that host the internal root domain.

DISA Rule

SV-215591r561297_rule

Vulnerability Number

V-215591

Group Title

SRG-APP-000516-DNS-000102

Rule Version

WDNS-CM-000022

Severity

CAT II

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

Log on to the authoritative DNS server using the Domain Admin or Enterprise Admin account.

Press Windows Key + R, execute dnsmgmt.msc.
Right-click the DNS server, select "Properties".
Select the "Root Hints" tab.
Remove the root hints from the DNS Manager, the CACHE.DNS file and from Active Directory for name servers outside of the internal network.
Replace the existing root hints with new root hints of internal servers.
If the DNS server is forwarding, click to select the : "Do not use recursion for this domain" check box on the "Forwarders" tab in DNS Manager to make sure that the root hints will not be used.

Check Contents

Note: If the Windows DNS server is in the classified network, this check is Not Applicable.
Log on to the authoritative DNS server using the Domain Admin or Enterprise Admin account.
Press Windows Key + R, execute dnsmgmt.msc.
Right-click the DNS server, select “Properties”.
Select the "Root Hints" tab.
Verify the "Root Hints" is either empty or only has entries for internal zones under "Name servers:". All Internet root server entries must be removed.
If "Root Hints" is not empty or entries on the "Root Hints" tab under "Name servers:" are external to the local network, this is a finding.

Vulnerability Number

V-215591

Documentable

False

Rule Version

WDNS-CM-000022

Severity Override Guidance

Note: If the Windows DNS server is in the classified network, this check is Not Applicable.
Log on to the authoritative DNS server using the Domain Admin or Enterprise Admin account.
Press Windows Key + R, execute dnsmgmt.msc.
Right-click the DNS server, select “Properties”.
Select the "Root Hints" tab.
Verify the "Root Hints" is either empty or only has entries for internal zones under "Name servers:". All Internet root server entries must be removed.
If "Root Hints" is not empty or entries on the "Root Hints" tab under "Name servers:" are external to the local network, this is a finding.

Check Content Reference

M

Target Key

4016

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