Give us a ping. (Cloudflare) One ping only.

This post introduces the integration of network diagnostic tools (ping, traceroute, MTR) into Cloudflare Zero Trust. It details how these tools leverage the ICMP protocol and are proxied over QUIC datagrams between Cloudflare and cloudflared instances. The post also provides examples of using these tools to troubleshoot connectivity to private network destinations behind Cloudflare Tunnel, highlighting the technical underpinnings and practical application for users managing private networks on Cloudflare.