Specify which ports the Argo tunnel uses?

Right now, cloudflared uses a somewhat random assortment of ports when it spins up. How do I define which ports are used, or even specify a range?

Cloudflare’s ports with Cloudflare Tunnel to the edge aren’t arbitrary. They are defined in the documentation. You should create an allow rule to those IPs with the appropriate ports.

You can’t specify alternative ranges because security teams need to be able to block the tunnels for obvious reasons.

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