[kwlug-disc] Remote access to machine behind CG-NAT

[Anton Avramov]

Zerotier is opensource and you can host the controller yourself for 
non-commercial use.

I used it with hundreds of devices and it works pretty well.

When you self host it you don't have the web interface and you either 
use the API directly or use https://github.com/key-networks/ztncui

On 2025-05-17 10:17 p.m., John Sellens wrote:
> When I was looking for a solution to a similar problem, I found
> this reddit discussion useful:
>      https://www.reddit.com/r/selfhosted/comments/1cptsdf/tailscale_free_alternative_for_4_people/
>
> I also noticed that zerotier.com offers (I think) similar
> functionality to tailscale, and is free up to 10 devices.
>
> I think openvpn requires a 3rd machine as a server, which
> may be extra work in your case.  If you have a 3rd machine
> with a fixed IP somewhere else, SSH tunneling can help,
> depending on your needs.
>
> Hope that helps!
>
> John
>
> On Sat, 2025/05/17 09:34:44PM -0400, Khalid Baheyeldin <kb at 2bits.com> wrote:
> | (CG-NAT = Carrier Grade NAT)
> | If one has a machine behind a CG-NAT network provider, the
> | usual port forwarding techniques and Dynamic DNS no longer
> | work.
> |
> | What other options do I have?
> | There is VPN, where one sets up their own VPN on a virtual
> | server. And there are the commercial providers.
> |
> | WireGuard seems to be the newer technology with less
> | resource utilization. TailScale is a Canadian VPN provider
> | who provide hosted WireGuard.
> | Anyone tried them? Do they have a free (or low cost) tier?
> |
> | There is also the tried and tested OpenVPN, but it uses
> | more resources.
> |
> | All ideas and recommendations welcome.
> | --
> | Khalid M. Baheyeldin
>
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