Lee Allen wrote:
>
> > But how do you find out what the right address is?!? According to my
> > provider, it is 194.109.244.216. But if I enter this address, VNC doesn't
> > find it.
>
> If you have DSL, there is a very good chance you have a DSL modem/firewall.
> And this device is probably performing NAT: Network Address translation. If
> that's the case, two things have to be done:
> 1) you have to know the real, public IP address of your network (that may
> be the 194.x.x.x address)
> 2) your DSL modem/firewall must recognize the incoming VNC connections and
> redirect them to the internal IP addresses.
>
> I think the first step is to go to your ISP and ask them your public IP
> address(es), and whether you have NAT, and if so, whether your firewall can
> be configured to redirect (aka port forwarding).
>
> Quick explanation of NAT:
> your PCs each have a unique IP address, often in the 192.168.0.x range (but
> in your case probly the 10.0.0.x range)
> your DSL router has two sides: a public (external) side and a private
> (internal) side
> on the public side it has a real public Internet IP address
> on the private side it has a private ('fake') IP address in the same range
> as your PCs (maybe 10.0.0.1)
> for every packet going through the firewall, the firewall converts the IP
> addresses public <--> private
> this provides 2 benefits:
> - even though you have 3 PCs your ISP only utilizes 1 IP address (and they
> are becoming scarce)
> - protection from crackers
>
> Think of this like an office phone system. You could have 100 different
> internal numbers (extensions) but only 1 phone line.
>
> -Lee Allen
>
> > At 12:36 PM 5/17/2001 -0500, you wrote:
> > >Jan,
> > >
> > >>But: how can I connect to my office network? I have 3 computers,
> > >>permanently connected with ethernetcards and to the internet (an ADSL
> > >>connected). According to WIN VNC, my IP-address is 10.0.0.10,
> > >>194.109.244.216, 1.0.0.1 (the first computer in the network, that is). I
> am
> > >>not able to connect, for some reason. (I can reach the computer when it
> is
> > >>directly connected to the internet by modem).
> > >
> > >it's not clear how your office network is addressed, nor the connection
> or
> > >route between client and server machines (the 10.x.x.x address isn't
> > >publicly routed, and the 1.x.x.x isn't likely a legal one either).
Just guessing...
---------|----------------------|---------------ppp0
10.0.0.138 10.0.0.xxx 194.109.244.216
adsl modem eth0
192.1.0.xxx (LAN)
eth1
Ok, I'm not that smart: this is what I have.
An account with 4 (routable) IP adresses is also possible (adsl fast
old? style).
Jan, I think you should bind WinVNC to the dial-up interface.
--
Harmen
http://www1.tip.nl/~t515027/
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