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

The private keys corresponding to both the Zone Signing Key (ZSK) and the Key Signing Key (KSK) must not be kept on the DNSSEC-aware primary authoritative name server when the name server does not support dynamic updates.

DISA Rule

SV-233879r621666_rule

Vulnerability Number

V-233879

Group Title

SRG-APP-000516-DNS-000112

Rule Version

IDNS-8X-400021

Severity

CAT I

CCI(s)

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

Weight

10

Fix Recommendation

For each zone that is not in compliance:

1. Navigate to Data Management >> DNS >> Zones.
2. Select and edit the zone.
3. Select the "Name Servers" tab and modify the Grid Master by selecting "Stealth".
4. When complete, click "Save & Close" to save the changes and exit the "Properties" screen.
5. Perform a service restart if necessary.

Check Contents

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

By default, KSK and ZSK private keys are stored on the Grid Master within the Infoblox database. No clients should be permitted to use the Grid Master DNS service.

1. Navigate to Data Management >> DNS >> Zones.
2. Review each zone by selecting the zone and clicking "Edit" and selecting the "Name Servers" tab.

If the Grid Master is a listed name server and not marked "Stealth", this is a finding.

If a Hardware Security Module (HSM) is configured, KSK and ZSK private keys are encrypted and stored on the HSM, this is not a finding.

Vulnerability Number

V-233879

Documentable

False

Rule Version

IDNS-8X-400021

Severity Override Guidance

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

By default, KSK and ZSK private keys are stored on the Grid Master within the Infoblox database. No clients should be permitted to use the Grid Master DNS service.

1. Navigate to Data Management >> DNS >> Zones.
2. Review each zone by selecting the zone and clicking "Edit" and selecting the "Name Servers" tab.

If the Grid Master is a listed name server and not marked "Stealth", this is a finding.

If a Hardware Security Module (HSM) is configured, KSK and ZSK private keys are encrypted and stored on the HSM, this is not a finding.

Check Content Reference

M

Target Key

5251

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