Create 2025-05-05-private-health-monitoring-methods.mdx

Author: ncrouch-cflare

src/content/changelog/load-balancing/2025-05-05-private-health-monitoring-methods.mdx

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+---
+title: UDP and ICMP Monitor Support for Private Load Balancing Endpoints  
+description: Use UDP or ICMP to monitor the health of your private IP-based applications.  
+date: 2025-05-05  
+---
+
+Cloudflare Load Balancing now supports **UDP (Layer 4)** and **ICMP (Layer 3)** health monitors for **private endpoints**. This makes it simple to track the health and availability of internal services that don’t respond to HTTP, TCP, or other protocol probes.
+
+### What you can do:
+- Set up **ICMP ping monitors** to check if your private endpoints are reachable.
+- Use **UDP monitors** for lightweight health checks on non-TCP workloads, such as DNS, VoIP, or custom UDP-based services.
+- Gain better visibility and uptime guarantees for services running behind **Private Network Load Balancing**, without requiring public IP addresses.
+
+This enhancement is ideal for internal applications that rely on low-level protocols, especially when used in conjunction with **Cloudflare Tunnel**, **WARP**, and **Magic WAN** to create a secure and observable private network.
+
+Learn more about [Private Network Load Balancing](https://developers.cloudflare.com/load-balancing/private-network/)  
+View the full list of [supported health monitor protocols](https://developers.cloudflare.com/load-balancing/monitors/#supported-protocols)