[arm-allstar] vpn and port forwarding

[Mr. Possum (Bill)]

I've been wrestling with something similar...  LTE hot spot access and remote SSH control for a remote repeater site.
Double NATing through LTE is a pain - an SSH tunnel is the ONLY way I know of to solve the issue...

The only way to make remote control actually work is to have a SSH tunnel setup with the remote node and a node back at home.  This way you connect to a "port" on a local RasPi and voila - you're instantly connected to a "port" (maybe SSH?) on the remote repeater side (from what I understand).  When the remote repeater RasPi boots, it automatically sets up the SSH tunnel to the RasPi at home that has a static public IP address.
I know how it is supposed to work - but after reading all sorts of tutorials that weren't written for this flavor of Linux - my head started spinning.
I would LOVE it if somebody out there could come up with a good, step by step, tutorial on how to setup remote SSH tunnels on remote repeaters through LTE cullular hotspots...  I have "several" I need to do this on!

Because after many attempts, I was left with something that didn't work...
I am a computer guy so I am not completely ignorant, but my Linux skills aren't what I would call "up to par"...  :)
Bill - N5MBM


      From: K1IMD via arm-allstar <arm-allstar at hamvoip.org>
 To: Jed Barton via arm-allstar <arm-allstar at hamvoip.org> 
Cc: lists at bythebays.com
 Sent: Saturday, April 21, 2018 2:03 PM
 Subject: Re: [arm-allstar] vpn and port forwarding
   
Jed,
I think the problem is not so easy to solve.  The issue is LTE as far as
I know all LTE systems do not supply a routable public IP address.

Port forwarding does not work... because the packets never reach the
wireless device.  It might be doable with some sort of VPN or ssh tunnel
which might be a challenge to configure.

IF you can run the wireless device on the 3G network you may get a
routable public IP although it will be a dynamic IP which is another
obstacle to overcome.

73
Jon
K1IMD

On 4/21/2018 13:35, "Jed Barton via arm-allstar" wrote:
> Hey guys,
>
> OK, so we are working on setting up an allstarnode on my repeater
> system.  We're putting it right at the site hooked up to my scom 7330.
> So the only way we can get internet at the site is through cellular.
> Fortunately we have a solid connection up there with Verizon.  The big
> issue is port forwarding.  We obviously need to do that.  Anyone else
> on here have a similar issue?  I know that the ports need to see a
> public IP and often with cellular that changes.
> Any thoughts?
>
> Cheers,
> Jed.n1jbc
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