megachangelog
Feature2024.12.2

Troubleshoot tunnels with diagnostic logs

Cloudflared 2024.12.2 now supports collecting diagnostic logs from a single instance to help troubleshoot issues. A diagnostic report outputs collected data to a cloudflared-diag file for easier debugging.

The latest cloudflared build 2024.12.2 ↗ introduces the ability to collect all the diagnostic logs needed to troubleshoot a cloudflared instance.

A diagnostic report collects data from a single instance of cloudflared running on the local machine and outputs it to a cloudflared-diag file.

For more information, refer to Diagnostic logs.

cloudflareddiagnosticstroubleshootingtunnellogging

Source: original entry ↗

More from Cloudflare

Follow Cloudflare to get its new changes in your feed and email digest.

Improvement2026.8.2100.0

Cloudflare One Client for macOS 2026.8.2100.0

GA release for macOS Cloudflare One Client with improved split tunnel handling that no longer briefly blocks traffic during reconnects, support for non-RFC 1918 local IPv4 networks, faster connects with lower memory use, and numerous reliability fixes across DNS, reauthentication, and client stability.

macosvpnreliabilityperformancedns
Improvement2026.8.2100.0

Cloudflare One Client for Windows 2026.8.2100.0

This GA release improves split tunnel reliability, adds support for non-RFC 1918 local networks, optimizes connection performance with faster reconnections and lower memory usage, and includes numerous bug fixes for DNS, registration, and network handling. The client now features a service recovery mechanism that automatically restarts on system unlock and better handles large hosts files without blocking traffic.

windowsvpnclienttunneldns
Improvement2026.8.2100.0

Cloudflare One Client for Linux 2026.8.2100.0

New GA release for Linux with improved split tunnel handling that no longer briefly blocks traffic during reconnects, support for non-RFC 1918 local IPv4 networks, faster tunnel reconnections, and lower memory usage. Includes numerous stability and reliability fixes for DNS, reconnection behavior, and crash issues.

linuxvpnclientperformancestability
See all Cloudflare changes →