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Feature•Feb 11, 2026

Post-quantum encryption support for Cloudflare One Appliance

Cloudflare One ApplianceCloudflare · Cloudflare One

Cloudflare One Appliance version 2026.2.0 adds post-quantum encryption support using hybrid ML-KEM (Module-Lattice-Based Key-Encapsulation Mechanism).

The appliance now uses TLS 1.3 with hybrid ML-KEM for its connection to the Cloudflare edge. During the TLS handshake, the appliance and the edge share a symmetric secret over the TLS connection and inject it into the ESP layer of IPsec. This protects IPsec data plane traffic against harvest-now, decrypt-later attacks.

This upgrade deploys automatically to all appliances during their configured interrupt windows with no manual action required.

For more information, refer to Cloudflare One Appliance.

Read the original announcement↗

More from Cloudflare One Appliance

All Cloudflare One Appliance updates →

  1. Define custom applications for breakout and prioritized traffic from the Cloudflare One Appliance dashboard

    You can now define custom applications for breakout and prioritized traffic on the Cloudflare One Appliance directly from the dashboard, without calling the API.

    Cloudflare One Appliance•Feature•Sep 2, 2026

  2. Configure DHCP options from the dashboard on Cloudflare One Appliance

    You can now configure custom DHCP options directly from the dashboard when the Cloudflare One Appliance is acting as the DHCP server for a LAN.

    Cloudflare One Appliance•Feature•Sep 2, 2026

  3. Download the Cloudflare One Virtual Appliance for your hypervisor from the dashboard

    When you register a Cloudflare One Virtual Appliance, you can now select your hypervisor and download the appliance directly from the dashboard — no need to look up asset URLs.

    Cloudflare One Appliance•Feature•Aug 24, 2026

  4. Restart, reboot, or shut down a Cloudflare One Appliance from the dashboard

    You can now restart, reboot, or shut down a Cloudflare One Appliance directly from the dashboard or via API.

    Cloudflare One Appliance•Feature•Jul 17, 2026

  5. Self-serve registration of Cloudflare One Virtual Appliance in the dashboard

    You can now register a Cloudflare One Virtual Appliance and generate its license key directly from the dashboard, without contacting your account team.

    Cloudflare One Appliance•Feature•Jul 6, 2026