Azure Compliance ControlsAzure Virtual Network
Network security groups should limit inbound TCP port 135 access from the internet
Network security groups provide stateful filtering of inbound/outbound network traffic to Azure resources. It is recommended that no network security group allows unrestricted inbound access to TCP port 135.
What this control checks
Checks network security group rules that allow inbound TCP port 135
Related controls
Tool mappings
Use these identifiers to cross-reference this control across tools, reports, and evidence.
- Compliance.tf Control:
network_security_group_restrict_inbound_tcp_port_135 - Powerpipe Control:
azure_compliance.control.network_security_group_restrict_inbound_tcp_port_135 - Trivy Check:
AZU-0047
Last reviewed: 2026-10-13