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Question about traffic using Cloudflare tunnel (sh.itjust.works)
submitted 1 year ago by to c/selfhosted@lemmy.world
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Let's say I setup some subdomains and then point them to my home server via Cloudflare tunnel.

If I use one of those subdomains from my personal PC on the same network as my home server, to watch a movie for example, is all of that traffic going out to the internet and then back? Or does all the traffic stay internal once the connection has been made?

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[–] 2 points 1 year ago (2 children)

Remember that we're talking about a server on your local network, and a device on the local network to make the connection for the stream. We aren't talking about streaming over the internet.

  • Client looks up server via DNS
  • Client connects to public IP
  • Client handshakes to server
  • Server announces to client available connections (public, local)
  • Client continues connections with local address

There is no need for tailscale or anything, this is a local connection. The only thing the public address is doing is the initial call to the server.

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  • [–] 3 points 1 year ago (1 child)

    I get how that could work, but what services actually do that? Homeassistant can, but that needs to be setup explicitly for it to work.

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  • [–] 2 points 1 year ago

    Plex is a good example that does just that (not on my rec list but a good example) along with many business grade IPTV and media streaming products (think digital signage).

    I'd really love to rework JF to do it, but structurally it wouldn't work, you'd need a management service in front of it.

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