The Windows DNS Server key file must be owned by the account under which the Windows DNS Server service is run.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-58643	WDNS-IA-000007	SV-83209r2_rule		Medium

Description
To enable dnssec (requests and responses) through authenticated messages, it is necessary to generate a key for every pair of name servers. The key can also be used for securing other transactions, such as dynamic updates, DNS queries, and responses. The binary key string that is generated by the dnscmd key generation utility used with DNSSEC is Base64-encoded.

STIG	Date
Microsoft Windows 2008 Server Domain Name System Security Technical Implementation Guide	2019-01-04

Details

Check Text ( C-59515r4_chk )
Access Services on the Windows DNS Server and locate the DNS Server Service. Determine the account under which the DNS Server Service is running. Access Windows Explorer. Navigate to the following location: %ALLUSERSPROFILE%\Microsoft\Crypto Right-click on each sub-folder, choose “Properties”, click on the “Security” tab, and click on the “Advanced” button. Verify the Owner on the folder, sub-folders, and files are the account under which the DNS Server Service is running. If any other user or group is listed as OWNER of the %ALLUSERSPROFILE%\Microsoft\Crypto folder, sub-folders, and files, this is a finding.

Check Text ( C-59515r4_chk )

Access Services on the Windows DNS Server and locate the DNS Server Service.

Determine the account under which the DNS Server Service is running.

Access Windows Explorer.

Navigate to the following location:

%ALLUSERSPROFILE%\Microsoft\Crypto

Right-click on each sub-folder, choose “Properties”, click on the “Security” tab, and click on the “Advanced” button.

Verify the Owner on the folder, sub-folders, and files are the account under which the DNS Server Service is running.

If any other user or group is listed as OWNER of the %ALLUSERSPROFILE%\Microsoft\Crypto folder, sub-folders, and files, this is a finding.

Fix Text (F-64027r5_fix)
Access Windows Explorer. Navigate to the following location: %ALLUSERSPROFILE%\Microsoft\Crypto Right-click on each sub-folder, choose “Properties”, click on the “Security” tab, and click on the “Advanced” button. Click on "Change" next to the listed Owner and change to be the account under which the DNS Server Service is running.