The Infoblox system must require devices to reauthenticate for each zone transfer and dynamic update request connection attempt.
An XCCDF Rule
Description
<VulnDiscussion>Without reauthenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. In addition to the reauthentication requirements associated with session locks, organizations may require reauthentication of devices, including but not limited to the following other situations: (i) When authenticators change; (ii) When roles change; (iii) When security categories of information systems change; (iv) After a fixed period of time; or (v) Periodically. DNS does perform server authentication when DNSSEC is used, but this authentication is transactional in nature (each transaction has its own authentication performed). Therefore, this requirement is applicable for every server-to-server transaction request.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-233898r621666_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Note that TSIG relies on both key and time synchronization. TSIG will fail if the local clocks on both names are not synchronized.
1. Navigate to Data Management >> DNS >> Zones tab.
2. Select a zone and click "Edit". Click on the "Zone Transfers" tab and click "Override" for the "Allow Zone Transfers to" section.
3. Use the radio button to select "Set of ACEs" and the "Add" drop-down to configure a TSIG key.
4. It is important to verify that both the Infoblox and other DNS server have the identical TSIG configuration.