Enhancing Broadband

Firmware Release R4.0 / R4.2

Overview

When trying to run a VNCServer from the LAN side of a ST510, pinholes, or port forwards, need to be created.  This enables the incoming data for VNC to pass through the firewall and terminate on the computer running the VNCServer application.

Problem

After installing VNCServer, a client computer cannot connect remotely  

Solution

To forward the VNC packets through the firewall, NAPT entries need to be created in the routers configuration.  This is a simple process and is done through the router’s web interface.

The following steps show how to do this.

1. Browse to the router and go into the ‘advanced’ menu and select NAPT

2. Click ‘new’ to create a new entry

3. Fill in the appropriate details:

• The Protocol as 'tcp'

• The ‘Inside IP’ as the IP address of the computer in the network that is running the VNCServer

• The ‘Outside IP’ as 0.0.0.0

• The ‘Inside’ and ‘Outside’ Ports as ‘5900’ when using the VNCViewer to log into the server, or ‘5800’ when using a web browser to log into the server

If you are using the server machine to ‘Invite’ the viewer (which should be running in ‘Listen’ Mode) then you will also need to create an entry for port ‘5500’ in addition to the one created above.

4. Click the ‘Apply’ button

5. Click ‘Save All’ to save the changes

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