Pmaker @ 17.7.10, 21:06
Yes, putting the router does not roll, on the computer should be a static non-local external IP.
Nuuuu. Obviously, for some kind of prog, you need this or to access a computer from external grids.
so what's the problem?
Here is a large office. it is necessary to make access from the outside to the heap of prog, to the heap of servers. so, to do a bunch of static ip and put a bunch of computers into the world wide access without firewall cover? no, everything is much simpler =)
On the router, port forwarding is done. that is, when a router from the outside receives a request on a certain port, it will address all requests to that internal IP (and port) that you want.
thus, the router (gateway, firewall) is one, and under it can sit any number of computers with different tasks. for example, on port 21 - forwarding to your own ftp server, on 3389 - access via remote desktop, 1723 - VPN server, etc. If you need to make access to several desktops, then we add any non-regularly used port (for example, 50,000) and do a pass-through on it.
those. setting such as:
incoming port: 21-22 local port: 21 local IP: 192.168.100.100 (ftp server)
incoming port: 3389 local port: 3389 local IP: 192.168.100.100 (remote desktop)
incoming port: 50000 local port: 3389 local IP: 192.168.100.200 (remote desktop to another computer)
accordingly, a request for a remote desktop on port 5000 is as follows: 18.104.22.16800000 (where 22.214.171.124 is your real external static IP). specifying the port 50000 through the colon in the request, we will say this to the ruter in a clear way, and then it will give us a remote desktop from the local machine with the address 192.168.100.200.
if you specify in the request just 126.96.36.199, then the request will go by default port 3389, the computer 192.168.100.100 is configured on the root, it is we who will see it with such a request.
I hope a brief educational program will be useful.Post has been editedzamboga - 18.07.10, 15:46
Reason for editing: typo