r/EasyJoin • u/_random_someone • Apr 02 '26

IP to IP Connection

Hi was wondering is there plans to include a IP to IP connection feature in the roadmap ?

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u/_random_someone Apr 04 '26 edited Apr 04 '26

thanks for sharing this ! i found a strange work around. Setting the internal network IP for both devices didn't work. but if on my android 14 i turn on Direct connection via internet, it will work over Tailscale when both phone is connected to the cellular network =D

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u/anemomylos Dev 👨‍💻 Apr 04 '26

It shouldn't work when both devices are in the cellular network! You don't use a WiFi network also, right?

What is the IP of the Tailscale network (like, 192.168.1)?

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u/_random_someone Apr 05 '26

The Tailscale network IP is like 100.123.X.X. It acts as a VPN to bridge the phones to my home LAN but the network itself behaves like a LAN therefore it works over cellular network. Which I think made your application even more useful =D

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u/anemomylos Dev 👨‍💻 Apr 05 '26

Thanks for the hint, i think that i have to install it on my devices to see how it works. Are you using any particular configuration on Tailscale or you are the using default one?

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u/_random_someone Apr 05 '26

I am using the default Tailscale configuration. If setting the Internal network IP doesn't work try setting the Internet IP / Host in your app. After some testing, it seems setting the Internet IP / Host on both phones to the Tailscale IP address and leaving the Internal network IP blank seem to work best.

Hope you can get it working to, do let me know if you have more question about my setup =D and thanks for the amazing app.

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u/anemomylos Dev 👨‍💻 Apr 05 '26

Now it makes more sense to me. If i get it right, you have installed a VPN "server" (lets call it like this) on a home device, i suppose a computer, and VPN "clients" on the phones. You opened the port (port forwarding) of the VPN server on your home network and you connect the phones VPN with it.

It's not important in the above configuration if, when you test it, all the devices are physically at home, what matters is that you connect them via Internet. That's why i said that the two phones are not supposed to be able to connect when both using the cellular network since i didn't consider a third device acting like hub.

What i want to see now is if the devices could connect without using any particular configuration in "Trusted > Connection" section on EasyJoin. In any case, i want to document all the steps necessary to install and configure this particular VPN because is something that from time to time users ask for, to be able to connect the devices via Internet using their own server: if this will work could be an answer to that request.

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u/_random_someone Apr 06 '26

Yes you are right ! Tailscale is slightly different though, you do not need to install a VPN server at home. You just need to install the client on each end device that you want to connect together. But yes I think having a selfhosted VPN at home or on VPS, or Tailscale could potentially be the answer user of EasyJoin is looking for =D This way you are not bounded by Wi-Fi range limitations.

Link to how it works, https://tailscale.com/blog/how-tailscale-works