[lug] talking to a 10.x.x.x box

[Shannon Johnston]

10.x.x.x is not a public routable address.
When he surfs the net, his address is being translated to a NAT address.
(Much like a proxy server.) That NAT could either be dynamically set or it
could be static, but it's located in the Router, not his machine. Unless
he can find out the NAT of the router and then set up the routing tables
to forward traffic to his machine, you'll never be able to hit it.

Shannon

On Mon, 11 Jun 2001, McIllece wrote:

> I have a question about connecting to a friend's stand-alone machine.
> 
> He's been using Linux for about a year and recently got DSL through Qwest.  
> Qwest provided a Cisco 678 router and a Qwest technician configured it (set the 
> password) after fixing some problem with the DSL line.
> 
> After my friend got on the internet using his new DSL line, I asked him what his 
> current IP address was.  He did a /sbin/ifconfig and sent me the eth0 entry for 
> his ethernet adaptor and it showed an inet address of 10.0.0.2.
> 
> I've never seen a machine with a 10.x.x.x address.  I do know that www.arin.net 
> says "These blocks are reserved for special purposes" and that I can't even ping 
> that address.  I'm lost as to why he doesn't have a normal IP address or how I 
> might be able to connect to his machine.
> 
> Might anyone know?
> 
> TIA,
> Matt
> 
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