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How to track down external network issue? (lemmy.world)

submitted 4 months ago by atfergs@lemmy.world to c/homelab@lemmy.ml

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I've got a homelab running a number of services in Docker. Everything works beautifully internally, but access from outside the network is very slow. I'm using nginx proxy manager and cloudflare ddns for the external access. It's not a speed issue. I'm on fiber with a very solid upload.

Jellyfin and Overseerr are the main services that I'm having trouble with. Oddly, once you manage to get a video going in Jellyfin, it works fine.

I could use some guidance in what to look for, what tools I can use, or any other advice on how to track down the issue. Thanks!

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[–] atfergs@lemmy.world 1 points 4 months ago

Thanks. I also forgot to mention that I have a Home Assistant instance running on a different machine that isn't reliant on NPM, and it works fine, and has the same issue when I try to migrate it to NPM, so I'm sure the issue is there. I'll try your suggestions.