Problems with IP address

[Marc]

Let me guess,  the address starts with 192.168??
ISPs (or even your home router) will regularly NAT an address 
(simply put,  it will translate an external address to an 
address that may not be assigned externally,  such as the 
192.168 address.) To connect you have to be able to see the 
address or the router must know that packets for a certain 
address:port get forwarded to a certain machine inside the NAT'd 
space. You can do this via a static address or many ISP will 
allow you to expose the address they assign you (this means that 
the address for your parent's machine may change if they are 
offline for awhile and lose their dhcp leased ip,  but they can 
always check and tell you what their ip is.)

John wrote:
> HELP! I am based in Australia and am trying to hook up with my parents
> computer in the UK. They have passed me their IP address, but I can't
> connect to it. When I try the same thing on my laptop it works fine. The
> thing that's really confusing is that the machine in the UK and my laptop
> both appear to have the same IP addresses. Can anyone offer advice or
> directions in easy to follow steps! Thanks.
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