Cloudflare One Appliance custom applications: now configurable straight from the dashboard, no API needed!

Hey everyone, it's Shiichan! Today I found some good news for anyone running Cloudflare One Appliance: you can now finish your traffic steering setup entirely from the dashboard!

Cloudflare Changelog developers.cloudflare.com

What was announced?

According to Cloudflare's Changelog, you can now define custom applications for breakout traffic and prioritized traffic on the Cloudflare One Appliance directly from the dashboard!

Specifically, from the Traffic Steering panel, under Breakout traffic or Prioritized traffic, you just choose Assign application traffic then Add to create a custom application. It can be matched using:

• Hostnames
• IP subnets
• Source subnets (the new field added this time)

These custom applications sit right alongside Cloudflare's existing managed applications.

The story so far

Until now, adding, editing, or deleting a custom application meant calling the API or using Terraform. You couldn't finish the job from the dashboard alone, so even a small change meant reaching for the API.

What changes

You can now edit or delete custom applications from the same panel too, so the whole workflow stays inside the dashboard with no API round-trip required. If a network admin just wants to make a small routing tweak, they no longer need to call the API for it, which should make day-to-day operations noticeably easier.

Of course, the existing API and Terraform workflow for managing applications still works exactly as before, so teams managing this through IaC can keep their current process too.

Dive Deep

The new Source subnets field is the key detail here. It lets you match traffic by its source IP range, and it's positioned as a complement to the existing source LAN interface breakout criteria. In other words, where you previously could only narrow things down by which interface the traffic came from, you can now also narrow it down by IP subnet.

You'll find this setting under the Traffic Steering tab, available for both Breakout traffic and Prioritized traffic. For the full steps, Cloudflare points you to its documentation for Breakout traffic and Prioritized traffic.

Wrap-up

• You can now create, edit, and delete custom applications for the Cloudflare One Appliance directly from the dashboard.
• Find it under Traffic Steering, in the Breakout traffic / Prioritized traffic panel, via Assign application traffic.
• Matching now supports Hostnames and IP subnets plus the new Source subnets field.
• The existing API and Terraform workflow still works alongside the dashboard option.

This one is for network admins running traffic steering on the Cloudflare One Appliance who'd rather not touch the API for every small change!