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Share VPN connection over Android hotspot?
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this post was submitted on 06 Oct 2024
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You can (basically) only do this with a rooted phone. There are some permissions issues that prevent the hotspot network adapter from being shared over the VPN client otherwise. This article from Proton is just an ELI5 splainer, you can go deeper with some searches.
If you have root and/or a custom ROM already (which usually assumes root) it's not that complicated.
Thanks for the link. I am on Graphene, and if a fellow poster in here is correct that doesn't help. Bummer.
Yeah sorry I don't have experience with Graphene but a quick search seems to say root is very difficult with it. Maybe look into flashing a different custom ROM if you really need this.
One thing I've done quite a bit is use my travel router (I have a GL-Inet Slate but there are lots of options) to repeat my hotspot, then connect all my devices via the router. And set the VPN up on the router. This way everything going out over the hotspot is encrypted anyhow.
For my needs, I can power the Slate by plugging it into my laptop or even my phone via usb-c. It's very portable and versatile. Ymmv.
Thanks for the ideas. I'll consider it, although my use case doesn't really warrant carrying a router around.
Granted, you're using a home setup. But you could still consider setting up the VPN on a central AP and repeating your hotspot through it to make everything going in and out of your network encrypted and more secure. None of your actual traffic (besides what your phone is emitting) will be in the clear, which is better than nothing.
Almost any router with VPN and repeater options will accomplish this if you don't wanna root your phone. I've flashed OpenWRT on the equivalent of router potatoes over the years. It's pretty straightforward.
I agree, it's a good solution. Just not worth the downsides for my situation currently.
Couldn't you just use termux or similar to run a tunnel using SSH to the interface?
Or simply set up a socks listener and forward that IP:port to the IP of the WG interface?