---
names:
  full: "Azure VM Scale Set Instance allows public access to RPC port"
  contextual: "Instance allows public access to RPC port"
description: >
  Ensure that Azure VM Scale Set Instances do not allow unrestricted public access to 
  RPC port (135/TCP and 135/UDP). RPC protocol enables inter-process 
  communication and, if improperly secured, can expose VMs to unauthorized access.
categories:
  - "SECURITY"
type: "COMPLIANCE_POLICY"
frameworkMappings:
  - "/frameworks/cloudaware/resource-security/public-and-anonymous-access"
