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DNS Allowlisting

D3-DNSAL
D3-DNSAL (DNS Allowlisting)

Definition

Permitting only approved domains and their subdomains to be resolved.

Synonyms: DNS Whitelisting.

Artifact Relationships:

This defensive technique is related to specific artifacts. Click the artifact node for more information.
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Related ATT&CK Techniques:

These mappings are inferred, experimental, and will improve as the knowledge graph grows.

These offensive techniques are determined related because of the way this defensive technique,, .

Command And Control
Application Layer Protocol
DNS
Dynamic Resolution

References

All
Specification

The following references were used to develop the DNS Allowlisting knowledge-base article.

(Note: the consideration of references does not imply specific functionality exists in an offering.)

DNS Whitelist (DNSWL) Email Authentication Method Extension

Reference Type: Specification
Source:
https://datatracker.ietf.org/doc/html/rfc8904

D3FEND™

A knowledge graph of cybersecurity countermeasures
1.4.0
Model
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Model
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Asset Inventory
Asset Vulnerability Enumeration
Container Image Analysis
Configuration Inventory
Data Inventory
Hardware Component Inventory
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Software Inventory
Network Mapping
Logical Link Mapping
Active Logical Link Mapping
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Harden
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Detect
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Detect
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File Analysis
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Domain Name Reputation Analysis
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Network Traffic Analysis
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Byte Sequence Emulation
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File Carving
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Domain Account Monitoring
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Isolate
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Isolate
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Encrypted Tunnels
Network Traffic Filtering
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Evict
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Credential Eviction
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