Zero-Port Exposure: Routing On-Prem Traffic Through a Cloud VM Without Opening a Single Firewall…

📰 Medium · DevOps

Learn to route on-prem traffic through a cloud VM without exposing any ports, enabling secure public HTTPS endpoints for Kubernetes clusters

intermediate Published 14 May 2026
Action Steps
  1. Set up a cloud VM to act as a proxy for on-prem traffic
  2. Configure Kubernetes to route traffic through the cloud VM
  3. Use a tool like NGINX or HAProxy to manage incoming traffic
  4. Test the setup to ensure secure public HTTPS endpoints are accessible
  5. Configure firewall rules to only allow incoming traffic to the cloud VM
Who Needs to Know This

DevOps and infrastructure teams can benefit from this guide to improve security and reduce exposure of their Kubernetes clusters

Key Insight

💡 Using a cloud VM as a proxy can help reduce the attack surface of your Kubernetes cluster by not exposing any ports

Share This
Secure your Kubernetes cluster with zero-port exposure! Route on-prem traffic through a cloud VM without opening a single firewall port
Read full article → ← Back to Reads