Can't vnc to home computer from Internet


J

John Dalberg

I have two home computers and I am trying to connect to one of them from
the Internet. The ip address in the lan is 192.168.1.21. I can vnc to it
from the other home computer.

The two computers are behind a WRT54G router. I have disabled the firewall
in the router and set up port forwarding to the 21 computer on port 5900.
However when I try to vnc from the Internet, I can't connect. I verified
that port 5900 is open using Shield's up at grc.com.

Anyone has any ideas?

John Dalberg
 
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R

Robert L [MVP - Networking]

You may need ports between 5800 and 5900.

VNC Which port does VNC use. Where I can download VNC. VNC stands for Virtual Network Computing. It is, in essence, a remote display system which allows you to ...
www.chicagotech.net/vnc.htm


Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
I have two home computers and I am trying to connect to one of them from
the Internet. The ip address in the lan is 192.168.1.21. I can vnc to it
from the other home computer.

The two computers are behind a WRT54G router. I have disabled the firewall
in the router and set up port forwarding to the 21 computer on port 5900.
However when I try to vnc from the Internet, I can't connect. I verified
that port 5900 is open using Shield's up at grc.com.

Anyone has any ideas?

John Dalberg
 
J

John Dalberg

Robert L said:
This is a multi-part message in MIME format.

------=_NextPart_000_0036_01C6E218.30979210
Content-Type: text/plain;
charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable

You may need ports between 5800 and 5900.

I have 5800-64000 open. That should take care of it.
5800 is used for http which I am not using.

John Dalberg
 
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R

Robert L [MVP - Networking]

Then find out which program is using 5800. This search result may help,

Windows Tools How to determine which program uses specific TCP ports How to Determine Which Program Uses or Blocks Specific TCP Ports in Windows Server 2003 ...
www.howtonetworking.com/Windows/wintools.htm


Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
John Dalberg said:
This is a multi-part message in MIME format.

------=_NextPart_000_0036_01C6E218.30979210
Content-Type: text/plain;
charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable

You may need ports between 5800 and 5900.

I have 5800-64000 open. That should take care of it.
5800 is used for http which I am not using.

John Dalberg
 

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