STIGQter: STIG Summary: Infoblox 8.x DNS Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 09 Jan 2021:

The Infoblox system must provide additional data origin artifacts along with the authoritative data the system returns in response to external name/address resolution queries.

DISA Rule

SV-233907r621666_rule

Vulnerability Number

V-233907

Group Title

SRG-APP-000213-DNS-000024

Rule Version

IDNS-8X-700002

Severity

CAT II

CCI(s)

• CCI-001178 - The information system provides additional data origin authentication artifacts along with the authoritative name resolution data the system returns in response to external name/address resolution queries.

Weight

10

Fix Recommendation

Note: Ensure DNSSEC is configured to meet all other STIG requirements prior to signing a zone to avoid signing with an unapproved configuration.

1. Navigate to Data Management >> DNS >> Zones tab.
2. Place a check mark in the box next to the desired external authoritative zone. Using the "DNSSEC" drop-down menu in the toolbar, select "Sign zones".
3. Acknowledge the informational banner and the service restart banner if prompted.

Check Contents

Note: For Infoblox DNS systems on a classified network, this requirement is Not Applicable.

1. Navigate to Data Management >> DNS >> Grid DNS properties.
2. Toggle Advanced Mode, click on "DNSSEC" tab, and verify that "Enable DNSSEC" is enabled.
3. Navigate to Data Management >> DNS >> Zones. Verify that the "Signed" column is displayed.
4. Validate that all external authoritative zones are signed by displaying "Yes".
5. When complete, click "Cancel" to exit the "Properties" screen.

If DNSSEC is not enabled and external authoritative zones are not signed, this is a finding.

Vulnerability Number

V-233907

Documentable

False

Rule Version

IDNS-8X-700002

Severity Override Guidance

Note: For Infoblox DNS systems on a classified network, this requirement is Not Applicable.

1. Navigate to Data Management >> DNS >> Grid DNS properties.
2. Toggle Advanced Mode, click on "DNSSEC" tab, and verify that "Enable DNSSEC" is enabled.
3. Navigate to Data Management >> DNS >> Zones. Verify that the "Signed" column is displayed.
4. Validate that all external authoritative zones are signed by displaying "Yes".
5. When complete, click "Cancel" to exit the "Properties" screen.

If DNSSEC is not enabled and external authoritative zones are not signed, this is a finding.

Check Content Reference

M

Target Key

5251

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