NIST SP 800-171 Rev 3
03.13 SC (System and Communications Protection)

NIST SP 800-171 Rev 3 03.13.01: Boundary Protection

Monitor and control communications at external boundaries and key internal boundaries of the system; implement subnetworks for publicly accessible components separated from internal networks; connect to external networks only through managed interfaces.

Maintained by Gerard BlokdykVerified against the published standard Control text last updated

What else in your programme already covers this

This control maps to 73 controls across 24 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.

Azure Security Benchmark · 7 controls

  • ASBv3-GS-2 Define and implement enterprise segmentation/separation of duties strategy
  • ASBv3-GS-4 Define and implement network security strategy
  • ASBv3-NS-6 Deploy web application firewall
  • LT-4 Enable network logging for security investigation
  • NS-1 Establish network segmentation boundaries
  • NS-2 Secure cloud services with network controls
  • NS-3 Deploy firewall at the edge of enterprise network

PCI DSS 4.0 · 7 controls

  • 1.3.1 1.3.1 Inbound CDE traffic restricted
  • 1.3.2 1.3.2 Outbound CDE traffic restricted
  • 1.3.3 1.3.3 NSCs between wireless networks and the CDE
  • 1.4.1 1.4.1 NSCs between trusted and untrusted networks
  • 1.4.2 1.4.2 Restricting traffic entering trusted networks from outside
  • 1.4.4 1.4.4 Cardholder data stores not reachable from untrusted networks
  • 11.5.1 11.5.1 IDS/IPS monitoring of CDE traffic

ANSSI Guide d'hygiene informatique (42 mesures, v2.0) · 5 controls

  • ANSSI-HYG-17 Enable and Configure the Local Firewall on Workstations
  • ANSSI-HYG-19 Segment the Network and Partition the Zones
  • ANSSI-HYG-22 Put in Place a Secure Internet Access Gateway
  • ANSSI-HYG-23 Partition Internet Facing Services from the Rest of the Information System
  • ANSSI-HYG-28 Use a Dedicated and Partitioned Network for Administration

AWS Well-Architected Security Pillar · 5 controls

C5 (Germany) · 5 controls

FedRAMP High · 5 controls

  • SC-7 Boundary Protection
  • SC-7(12) Boundary Protection | Host-based Protection (SC-7(12))
  • SC-7(3) Access Points
  • SC-7(4) External Telecommunications Services
  • SC-7(8) Route Traffic to Authenticated Proxy Servers

FedRAMP Moderate · 5 controls

  • SC-7 Boundary Protection
  • SC-7(12) Boundary Protection | Host-based Protection (SC-7(12))
  • SC-7(3) Access Points
  • SC-7(4) External Telecommunications Services
  • SC-7(8) Route Traffic to Authenticated Proxy Servers

ISO 27001:2022 · 5 controls

  • 8.12 Data leakage prevention
  • 8.20 Networks security
  • 8.21 Security of network services
  • 8.22 Segregation of networks
  • 8.23 Web filtering

ASD Strategies to Mitigate Cyber Security Incidents · 4 controls

  • ASD37-07 Web content filtering (Excellent)
  • ASD37-08 Deny direct internet connectivity (Excellent)
  • ASD37-22 Network segmentation (Excellent)
  • ASD37-25 Software firewall - inbound (Very Good)

CIS Controls v8 · 4 controls

  • CIS-12.2 Establish and Maintain a Secure Network Architecture
  • CIS-13.4 Perform Traffic Filtering Between Network Segments
  • CIS-3.12 Segment Data Processing and Storage Based on Sensitivity
  • CIS-4.4 Implement and Manage a Firewall on Servers

Cloud Security Alliance Cloud Controls Matrix (CCM) v4.0.1 · 3 controls

ISO 27002:2022 · 3 controls

  • 8.20 Networks security
  • 8.21 Security of network services
  • 8.22 Segregation of networks

CMMC 2.0 · 2 controls

NIST Cybersecurity Framework 2.0 · 2 controls

  • NIST-CSF-DE.CM-01 Networks and network services are monitored to find potentially adverse events
  • NIST-CSF-PR.IR-01 Networks and environments are protected from unauthorized logical access and usage

UK Cyber Essentials · 2 controls

  • CE-FW.1 Boundary Firewalls Deployed
  • CE-FW.4 Approve and Document Inbound Rules

Australia Consumer Data Right - Banking (CDR) · 1 control

  • AUCDR-IS-2 Secure the network and systems within the data environment

CFTC System Safeguards (17 CFR 37, 38, 39, 49) · 1 control

HIPAA Security Rule · 1 control

ISO 27701:2019 · 1 control

  • 6.10.1 Network security management

NIST SP 800-161 Rev 1 · 1 control

NIST SP 800-172 · 1 control

  • 3.13.1e Create Diversity in System Components to Limit Malicious Code Propagation

NIST SP 800-53 Rev 5 · 1 control

NIST SP 800-66 Rev 2 · 1 control

SOC 2 · 1 control

  • SOC2-CC6.6 CC6.6 Protection against threats from outside the system boundary

Every mapping shown was judged rather than inferred from wording similarity, and the ones that failed review are published too. See the coverage reports and what was rejected.

Other controls in 03.13 SC (System and Communications Protection)

You are reading one control. How much of NIST SP 800-171 Rev 3 have you already done?

NIST SP 800-171 Rev 3 03.13.01 is one control. If you already hold one of the frameworks below, a reviewed crosswalk already says how much of NIST SP 800-171 Rev 3 your existing evidence covers. Hold PCI DSS 4.0 and 69 of 97 NIST SP 800-171 Rev 3 controls already carry evidence.

If you hold PCI DSS 4.071.1% covered · 28 gapsIf you hold C5 (Germany)68% covered · 31 gapsIf you hold Cloud Security Alliance Cloud Controls Matrix (CCM) v4.0.164.9% covered · 34 gapsIf you hold ISO 27001:202262.9% covered · 36 gapsIf you hold CIS Controls v853.6% covered · 45 gapsIf you hold NIST SP 800-161 Rev 152.6% covered · 46 gaps

Each report names every control your existing framework evidences, every one it does not, the reasoning behind each claim, and the claims that were argued against and rejected. 0 were rejected on the PCI DSS 4.0 pair alone.

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Query this from an agent

The graph holds this control, the 73 it maps to, and the evidence behind each claim, over MCP and REST.

MCP endpointAll NIST SP 800-171 Rev 3 controls