[Server-devel] Trying to access a school server from the outside world

[George Hunt]

Typically a server is behind some sort of NAT device, and some sort of
firewall, and most likely has a variable ip address assigned by the ISP's
dhcpd.  The trick is to have the server initiate an outgoing conversation
to a device on the internet that is always on.  I purchased a micro
instance on amazon cloud for the purpose.

The amazon instance generates keys for clients which permits passthrough
conversations between any clients. There's two levels of authentication --
1. need a vpn key to connect to the amazon instance, and 2. need
authentication at the ssh port of the target (preferably a public key in
.ssh/authorized_keys on the target -making dictionary attacks less likely).

But I'm becoming a fan of teamviewer. You need to install Xorg, and I
usually install XFCE because it's pretty light weight. Up until now, I've
resisted a GUI for servers.



On Sat, Jun 13, 2015 at 2:25 PM, Tim Moody <tim at timmoody.com> wrote:

> I should also have mentioned that we have started using TeamViewer on some
> of the servers which allows a session on the server without using the vpn
> hub.
>
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