Cloudflare One Appliance, Cloudflare One, Cloudflare WAN - Define custom applications for breakout and prioritized traffic from the Cloudflare One Appliance dashboard

<p>You can now define <a href="https://developers.cloudflare.com/cloudflare-wan/configuration/appliance/network-options/application-based-policies/breakout-traffic/#create-edit-or-delete-a-custom-application">custom applications</a> for <a href="https://developers.cloudflare.com/cloudflare-wan/configuration/appliance/network-options/application-based-policies/breakout-traffic/">breakout</a> and <a href="https://developers.cloudflare.com/cloudflare-wan/configuration/appliance/network-options/application-based-policies/prioritized-traffic/">prioritized</a> traffic on the <a href="https://developers.cloudflare.com/cloudflare-wan/configuration/appliance/">Cloudflare One Appliance</a> directly from the dashboard, without calling the API.</p> <img src="https://developers.cloudflare.com/cdn-cgi/image/onerror=redirect,width=1800,height=1034,format=webp/_astro/2026-09-01-appliance-custom-application-traffic-steering.D25Ga9-d.gif" alt="Adding a custom application by hostname, IP subnet, and source subnet from the Traffic Steering tab of an appliance profile" loading="lazy" decoding="async" width="1800" height="1034"> <ul> <li>In <strong>Traffic Steering</strong> &gt; <strong>Breakout traffic</strong> or <strong>Prioritized traffic</strong>, select <strong>Assign application traffic</strong> &gt; <strong>Add</strong> to create a custom application matched by <strong>Hostnames</strong>, <strong>IP subnets</strong>, and/or the new <strong>Source subnets</strong> field, alongside Cloudflare-managed applications.</li> <li>Edit or delete an existing custom application from the same panel, no API round-trip required.</li> <li><strong>Source subnets</strong> lets you match traffic by its source IP range, complementing the existing <a href="https://developers.cloudflare.com/cloudflare-wan/configuration/appliance/network-options/application-based-policies/breakout-traffic/#breakout-by-source">source LAN interface breakout criteria</a>.</li> </ul> <p>This complements the existing API and Terraform workflow for managing applications.</p> <p>For details, refer to <a href="https://developers.cloudflare.com/cloudflare-wan/configuration/appliance/network-options/application-based-policies/breakout-traffic/">Breakout traffic</a> and <a href="https://developers.cloudflare.com/cloudflare-wan/configuration/appliance/network-options/application-based-policies/prioritized-traffic/">Prioritized traffic</a>.</p>