On Fri, May 30, 2014 at 1:58 PM, Michael Hennebry <hennebry at web.cs.ndsu.nodak.edu> wrote: > > I've done my experiments. > The primary one was connecting both computers to the router. > My Windows box is booted to CentOS at the moment. > > Apparently CenturyLink is not giving me any > globally visible (inside global?) IP address. > ifconfig gives me a different 192.168.*.* > (inside local?) address on each computer. > When I ssh to a globally visible machine, > the return addresses (63.155.*.*) are the > same and the port numbers are different. > > Apparently both machines are invisible to the outside > world so long as they do not make outbound connections. Yes, that is the normal 'home router' mode where the internet-facing connection gets the public IP addres and the LAN side uses a private range that will be source-NAT'ed to the single public address on outbound connections. The router should also have options to port-forward inbound connections to an inside address, either for a specific port or all of them (DMZ mode) if you do want to accept them - assuming you have the admin password. -- Les Mikesell lesmikesell at gmail.com