this post was submitted on 24 Jun 2026
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Tips on speeding up remote connection to personal server? (pawb.social)
submitted 12 hours ago by Inkstainthebat@pawb.social to c/selfhosted@lemmy.world
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I have a personal server I connect to through Tailscale whenever I'm not home, however I've found that whenever I'm connecting remotely connection speed drops drastically from 100MB/s to <3MB/s.

I expect there to be some speed loss when connecting over the internet compared to locally, but 3MB/s doesn't make any sense especially considering that according to a python script I found that uses speedtest.net to test internet speed through a terminal, it reported 109Mbit/s download and and 76Mbit/s upload (~13MB/s; 9MB/s), which aren't amazing but leagues beyond 2MB/s. Moreover I also did a quick test with a friend of mine briefly using port-forwarding and they reported the same speeds, which tells me it isn't Tailscale slowing me down.

Is this just what happens when you connect over the internet? What trickery is afoot to allow me to download things from the interwebz using that sweet full 109Mbit/s bandwidth?

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[–] MuttMutt@lemmy.world 5 points 11 hours ago

There can be multiple things at play but one thought it's you may be hardware constrained. This is not limited to just your server but also how you are connecting. If you are using a budget cell phone with a bunch of things installed and running it will get slower. If you use a bunch of social media apps disable them before starting a test so they are not running in the background or eating into your connection.

Another is it sounds like you are using your Tailscale connection to then reach out through your regular connection to a speedtest. So you're using the same connection with multiple data streams at the same time. You will be limited to your slowest speed when sending data to or from a server through you tailscale connection to the internet so give up on that 109Mb/s. You also have to take into account what your connecting devices speed is, if you are on cellular with an 18Mb/s connection that is your top speed.

Finally instead of running a speed test to the internet, spin up an instance of openspeedtest on a computer that is not hosting your tailscale connection and test to there. When you are starting to setup a homelab it can be useful to have an in house speedtest anyway.