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Feature•Oct 2, 2026

Protect Quick Tunnels with email authentication

Cloudflare TunnelCloudflare · Core platform

You can now restrict who can access a Quick Tunnel. Use the new --allowed-mail flag in cloudflared to require visitors to authenticate with a one-time PIN sent to their email before they reach your local service.

cloudflared tunnel --url http://localhost:8080 --allowed-mail alice@example.com

Previously, anyone with a trycloudflare.com URL could access the service behind it. Protected Quick Tunnels let you share a local development server, webhook receiver, or demo with specific people without creating a Cloudflare account or configuring a domain.

You can allow:

  • A single email address: --allowed-mail alice@example.com
  • Multiple email addresses, by repeating the flag or using a comma-separated list: --allowed-mail 'alice@example.com,bob@example.com'
  • Every address on a domain: --allowed-mail '*@example.com'

Visitors do not need a Cloudflare account. Access ends for everyone when you stop the cloudflared process.

To get started, update cloudflared to the latest version and refer to Restrict access by email.

Read the original announcement↗

More from Cloudflare Tunnel

All Cloudflare Tunnel updates →

  1. Identify Mesh, Workers VPC, and Cloudflare Tunnel replicas in network logs

    You can now tell a person on a laptop apart from a Mesh node or an AI agent running on Workers, without matching on connector email addresses or Mesh IP ranges — and see exactly which Cloudflare Tunnel and cloudflared replica received each session.

    Cloudflare Tunnel•Feature•Sep 29, 2026

  2. cloudflared to deprecate 32-bit Windows and Intel-based macOS builds in 2027

    Starting in 2027, Cloudflare will deprecate 32-bit Windows and Intel-based macOS builds of cloudflared. After the deprecation takes effect, Cloudflare will no longer publish new cloudflared releases for either architecture.

    Cloudflare Tunnel•Deprecation•Sep 18, 2026

  3. Create multiple Cloudflare Tunnel and Cloudflare Mesh routes at once

    You can now create multiple Cloudflare Tunnel and Cloudflare Mesh routes from the Routes page in a single action, instead of submitting one route at a time.

    Cloudflare Tunnel•Feature•Sep 2, 2026

  4. Configure origin application settings for Cloudflare Tunnel in the dashboard

    You can now configure origin application settings directly in the Cloudflare dashboard when adding or editing a published application route for a Cloudflare Tunnel.

    Cloudflare Tunnel•Feature•Aug 18, 2026

  5. Hostname routing is now generally available, with a new public IP range for initial resolved IPs

    Hostname routing is now generally available. Instead of managing static IP lists and routes, you can route traffic by hostname across multiple Cloudflare One connectors:

    Cloudflare Tunnel•Generally available•Aug 11, 2026