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Question about traffic using Cloudflare tunnel (sh.itjust.works)

submitted 11 months ago by westingham@sh.itjust.works 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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[–] SteveTech@programming.dev 5 points 11 months ago* (last edited 11 months ago)

Uhh, this might be true for WebRTC, except not much uses WebRTC other than for realtime streaming/calling. Jellyfin for example is just an mp4 stream over http; and http(s) will only use the IP in the DNS record. I'd like to see a packet capture if you are certain something is switching IP.