How to access cell-connected PC from internet

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LouisVanAlphen

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Hi not sure if this is the correct section to post this quesiton.

I have a remote ubuntu based PC with GSM modem connected to the internet. I need to access this remote PC from my home PC. Is this possible and how do I do that? Do I have to create a VPN on the remote PC and then enable my home PC to log into this VPN?

Thanks
 
First off, if you're with either Vodacom, MTN or CellC, you have to apply for an unrestricted APN. Without an unrestricted APN you won't be able to connect.

If with 8ta, it's already unrestricted.

Then you can either :

1. Enable VNC (not recommended)
2. Enable and use PPTP/openVPN on Ubuntu (recommended). There is a lot of material regarding this on the Ubuntu forums.
 
The_Librarian said:
First off, if you're with either Vodacom, MTN or CellC, you have to apply for an unrestricted APN. Without an unrestricted APN you won't be able to connect.

If with 8ta, it's already unrestricted.

Then you can either :

1. Enable VNC (not recommended)
2. Enable and use PPTP/openVPN on Ubuntu (recommended). There is a lot of material regarding this on the Ubuntu forums.
Click to expand...

3. SSH + X11 Forwarding
 
The_Librarian said:
I assume you can have the SSH daemon listen on any nonstandard port and still have X11 forwarding?
Click to expand...

Of course. Not sure I'd do X11 over the internet, though. I'd simply allow a port forward through the SSH connection to the VNC daemon running on localhost.
 
Try TeamViewer: Should be a version for Ubuntu as well ....

Otherwise welcome to the world of dynamic dns, port forwarding and restrictive apn's ...
 
The_Librarian said:
Because script kiddiots will go for port 22. If you make it a nonstandard port, they won't know.
Click to expand...

Which is not a security mechanism, but simply stops them wasting your bandwidth doing password guessing attacks if they can't find you. If they DO find you, you could still be in trouble. Make sure you are only allowing SSH Key-based auth, and disable passwords entirely.
 
Thanks for the replies. I need to run my own software there e.g. embedded HTTP server. I guess I will not be able to prevent DDoS etc?

A bit more about what I am doing. This is actually an internet appliance that I need to access from my home PC or any of my client's PCs. The machine-to-machine method of comms will be HTTP GET and POST both ways.

So it looks like there serious security risks. What if I keep it resctricted APN but then host a VPS in Vodacom Business domain and route all trafiic both ways through the VPS
 
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