making connection despite cable modem and Linksys router

James Weatherall jnw "at" realvnc.com
Tue Nov 15 12:37:00 2005


Mike,

Have you configured your router to forward port 5800 to your VNC Server
computer?

Please note that port 5800 is normally used only to serve the Java VNC
Viewer, and you'll need to additionally forward port 5900 in order to
actually connect via VNC.

Please see http://www.realvnc.com/portforward.html for further information.

Regards,

Wez @ RealVNC Ltd.
 

> -----Original Message-----
> From: vnc-list-admin "at" realvnc.com 
> [mailto:vnc-list-admin "at" realvnc.com] On Behalf Of Mike Miller
> Sent: 12 November 2005 18:28
> To: VNC List
> Subject: making connection despite cable modem and Linksys router
> 
> I know this has to be a FAQ that has been asked a million 
> times but 30 
> minutes of searching did not get me an answer so I'm hoping 
> one of you can 
> direct me to the web page that explains this.
> 
> I installed Enterprise VNC server on my PC and had this 
> problem.  Now I'm 
> using Ultr "at" VNC server and having the same problem.  The 
> problem is that I 
> cannot connect to the PC.  I cannot ping it, but traceroute 
> from outside 
> the network finds it OK.  On the PC I see this kind of info:
> 
>     Host Name . . . . . . . . . . . . : MIKE1
>     Primary Dns Suffix  . . . . . . . :
>     Node Type . . . . . . . . . . . . : Unknown
>     IP Routing Enabled. . . . . . . . : No
>     WINS Proxy Enabled. . . . . . . . : No
> 
> Ethernet adapter Local Area Connection:
> 
>     Connection-specific DNS Suffix  . :
>     Description . . . . . . . . . . . : Marvell Yukon 
> 88E8001/8003/8010 PCI Gigabit Ethernet Controller
>     Physical Address. . . . . . . . . : 00-13-D4-28-B4-37
>     DHCP Enabled. . . . . . . . . . . : Yes
>     Autoconfiguration Enabled . . . . : Yes
>     IP Address. . . . . . . . . . . . : 192.168.1.100
>     Subnet Mask . . . . . . . . . . . : 255.255.255.0
>     Default Gateway . . . . . . . . . : 192.168.1.1
>     DHCP Server . . . . . . . . . . . : 192.168.1.1
>     DNS Servers . . . . . . . . . . . : 24.94.163.100
>     Lease Obtained. . . . . . . . . . : Saturday, November 
> 12, 2005 7:12:06 AM
>     Lease Expires . . . . . . . . . . : Sunday, November 13, 
> 2005 7:12:06 AM
> 
> When I SSH from the PC to a Solaris box outside of my home 
> network, the 
> Solaris box says I'm connecting from 
> CPE-24-94-198-51.mn.res.rr.com (I 
> changed that number just a bit, but you get the idea).  So I try to 
> connect from outside my home network to 
> CPE-24-94-198-51.mn.res.rr.com 
> using http as follows:
> 
> http://CPE-24-94-198-51.mn.res.rr.com:5800
> 
> and I'm told "Connection was refused when attempting to contact ..."
> 
> So I am stuck.  I have Time-Warner cable modem and Linksys 
> 54g wireless 
> router (but I'm plugged into the router with an ethernet wire).  I'm 
> running Windows XP x64 (but I doubt that has anything to do with it).
> 
> Thanks in advance for any tips.
> 
> Best,
> 
> Mike
> 
> -- 
> Michael B. Miller, Ph.D.
> Assistant Professor
> Division of Epidemiology and Community Health
> and Institute of Human Genetics
> University of Minnesota
> http://taxa.epi.umn.edu/~mbmiller/
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