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Azure Compliance ControlsAzure SignalR Service

Azure SignalR Service should use private link

Azure Private Link lets you connect your virtual network to Azure services without a public IP address at the source or destination. By mapping private endpoints to your Azure SignalR Service resource instead of the entire service, you'll reduce your data leakage risks.

What this control checks

Azure SignalR Service should be accessed through private link

Framework mappings

The clauses this control is mapped to in each framework.

NIST SP 800-53 Rev 5

  • AC-17 Remote Access
  • AC-17(1) Monitoring And Control
  • Information Flow Enforcement (AC-4)
  • SC-7: Boundary Protection
  • SC-7(3) Access Points

FedRAMP Moderate Baseline Rev 4

  • AC-4 Information Flow Enforcement
  • AC-17 (3): Managed Access Control Points
  • AC-17(1) Automated Monitoring/Control
  • SC-7: Boundary Protection
  • SC-7(3) Access Points

NIST SP 800-171 Rev 2

  • 3.1.1 Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems)
  • 3.1.3 Control the flow of CUI in accordance with approved authorizations
  • 3.1.12: Monitor and control remote access sessions.
  • 3.1.13 Employ cryptographic mechanisms to protect the confidentiality of remote access sessions
  • 3.1.14 Route remote access via managed access control points
3 more clauses
  • 3.13.1: Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.
  • 3.13.2 Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems
  • 3.13.5 Implement subnetworks for publicly accessible system components that are physically or logically separated from internal networks

CIS Azure Benchmark v4.0.0

  • 2.2.2.1 Ensure Private Endpoints are used to access {service}

CMMC 2.0 Level 2

  • AC.L1-3.1.1 Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems)
  • AC.L2-3.1.3 Control the flow of CUI in accordance with approved authorizations
  • AC.L2-3.1.12 Monitor and control remote access sessions
  • AC.L2-3.1.13 Employ cryptographic mechanisms to protect the confidentiality of remote access sessions
  • AC.L2-3.1.14 Route remote access via managed access control points
3 more clauses
  • SC.L1-3.13.1 Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems
  • SC.L1-3.13.5 Implement subnetworks for publicly accessible system components that are physically or logically separated from internal networks
  • SC.L2-3.13.2 Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems

FedRAMP High

  • AC-4 Information Flow Enforcement
  • AC-17 Remote Access
  • AC-17(1) Automated Monitoring / Control
  • SC-7 Boundary Protection
  • SC-7(3) Access Points

Tool mappings

Use these identifiers to cross-reference this control across tools, reports, and evidence.

  • Compliance.tf Control: signalr_service_private_link_used
  • Powerpipe Control: azure_compliance.control.signalr_service_private_link_used
  • Azure Policy Definition: 2393d2cf-a342-44cd-a2e2-fe0188fd1234

Last reviewed: 2026-10-15

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