thank you for your input. I will try to figure this out with my
colleague.
Grant Robertson wrote:
[Quoted Text] > In article <1153079603.478416.231430[ at ]m79g2000cwm.googlegroups.com>,
> ivassilis[ at ]gmail.com says...
> > I'm having a problem creating a shared session with a colleague. The
> > issue seems to be the internet address. We both connect to the internet
> > from different places through routers. When OneNote shows me the
> > address to enter, is shows the internal network address which of course
> > is not applicable in my case. Any ideas how to enter the correct
> > address?
>
> It sounds as if you are both behind routers that are doing Network
> Address Translation (NAT) in addition to just routing traffic, which is a
> common setup. Any time you are trying to communicate directly to a
> machine that is behind what is called a NATing router you have to
> configure that router to send the traffic to your particular internal IP
> address. They do that based on the actual IP port number that is being
> used in the packets being sent. You have to configure your router to send
> any packet with a particular port number to your particular internal IP
> address. Then you just tell the other machine on the other end to send
> the packet to the external IP address of the router. The router then
> sends it to the configured interal IP address.
>
> This feature is called various things by various router manufacturers.
> Some call it port redirection or port forwarding and others call it the
> "service list" meaning it is a list of internal IP addresses at which
> there will be computers that are offering various "services" indicated by
> port number to the internet on the external side of the router. Some only
> offer a very generic feature called "De-Militarization Zone" or DMZ where
> you can assign one internal computer to which ALL inbound internet
> traffic will be sent. This last is a very insecure way of doing it
> because it essentially places that one computer directly in contact with
> the internet with no protection.
>
> You have to keep in mind that with normal routers you can only assign ONE
> internal PC to receive ALL packets with a particular port number in
> them. If the port number you need to use is very common and used by many
> different things this will mean that that ONE PC will get all that
> traffic even if it would be better if another one got some of that
> traffic. For instance, If you have a web server behind a router you would
> have had to set your router to direct all packets with 8080 or 8000 in
> their port number to your web server. However, it is common for many
> other programs besides web servers to just use this same port number for
> other types of packets. (There are various good and various bad reasons
> for doing this.) If you then wanted to have another computer on your
> internal network running that other program and listening for packets
> from the internet with the same port number in them you would have a
> problem. How is the router to know which internal computer to send which
> packets to? It can't.
>
> So, all of this highly depends on which IP port number is being used by
> OneNote to send those packets back and forth. We're going to have to ask
> one of the MS tech people to give us that piece of information. Then you
> will need to look up in the manual for your particular router for how to
> set up that router to forward those packets to the desired computer on
> each end. If you have different brands of routers on each end then each
> of you will have to read your own respective manual and figure out how to
> set up your own individual router, if it is even possible to do it at
> all.
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