Setting up a VPN (Full Version)

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dzirkelb1 -> Setting up a VPN (1/11/2007 16:00:26)

I am wanting to set up a VPN so I can do remote desktop using xp pro. I know how to set up the vpn, I know the IP, I know how to do the remote desktop...I just do not know how to enable it in the router. It is an actiontec router from qwest.

Is there something general I should be looking for? Does it connect through a certain port that I would need to enable?



Brandon -> RE: Setting up a VPN (1/11/2007 16:03:56)

You usually have to open the RDP port on the router.



BobbyDouglas -> RE: Setting up a VPN (1/11/2007 16:06:52)

What software are you using for the VPN?

I have OpenVPN setup on my server, and it didn't require me to do anything with my router.

To be on the safe side, you can find out what port number the software uses for the VPN connection (mine works from 1194), and then setup port forwarding in your router to forward port 1194 to your local netowork IP.

Are you trying to use a VPN connection to connect to XP's Remote Desktop? Or are you trying to use a VPN to connect remotely to another desktop? RD doesn't require a VPN to work.



dzirkelb1 -> RE: Setting up a VPN (1/11/2007 16:27:52)

I am using the windows network connection wizard to set up the vpn, then remote desktop once I am connected to the vpn to remote to multiple cpu's.




BobbyDouglas -> RE: Setting up a VPN (1/11/2007 16:29:33)

Why not go straight through RD?



dzirkelb1 -> RE: Setting up a VPN (1/11/2007 16:32:29)

How would I do that? I need the ability to connect to multiple computers adn they do not have ip's...just internal ip's.

ths is the only way I know how really...that is how it is set up at my workplace currently, but I did't set it up. I am tryingto set it up for another business now.



BobbyDouglas -> RE: Setting up a VPN (1/11/2007 16:40:33)

I have not personally tested this: Concurrent Remote Desktop Sessions in Windows XP SP2

If you are behind the same router as them, just connect to the IP address that the router assigns them.

Now if you are trying to connect OUTSIDE of their router, and you need multiple connections, then I don't think RD will work. With our WRT54G router, I can only setup port 3389 to forward to one other computer.

There is a possibility to get around it though. You can change the default RD port for the computer you are trying to connect to. Then have the router forward that port to the specific computer it is connecting to. This method would be fine for a small number of computers, but if you plan to deal with somewhere near 50, it might get pretty complicated.



dzirkelb1 -> RE: Setting up a VPN (1/11/2007 16:47:01)

I will be outside the router and needing to connect to roughly 10 computers.



BobbyDouglas -> RE: Setting up a VPN (1/11/2007 16:48:08)

Ok, so you want to have a VPN setup to connect internally into their network, so you can then Remote Desktop to their specific computers?



dzirkelb1 -> RE: Setting up a VPN (1/11/2007 16:51:35)

pretty much...thats the only way I know how. Once I am vpn'd into their site, then I can RD into cpu's by cpu name or by internal ip.



BobbyDouglas -> RE: Setting up a VPN (1/11/2007 17:38:24)

Let's say their IP address is 75.4.3.233.

You have 10 computers:
192.168.1.1
192.168.1.2
192.168.1.3
....
...


You change the RD default port for each of the 10 computers. Make the port number unique. 3389 (assigned to 192.168.1.1), 3390 (assigned to 192.168.1.2), 3391 (assigned to 192.168.1.3), etc.... Setup the port forwarding for their router using the same logic.

Then configure Concurrent Remote Desktop Sessions in Windows XP SP2 so that you can have multiple sessions open.

When you want to connect to the computer at 192.168.1.1, you enter 75.4.3.233:3389, for the computer at 192.168.1.2, you enter 192.168.1.233:3390, etc... The router will see that you are requesting port 3390, and know to forward that to 192.168.1.2

I estimate that it would take about 30 minutes or less to set up all 10 computers with a different RD port. Once you have everything setup, try to RD internally, make sure all FWs and such allow it. Once it works internally, it will most likely work outside of their network.



dzirkelb1 -> RE: Setting up a VPN (1/12/2007 9:14:42)

I'll give it a shot; although I know there is an easier way as here at work I can remote into multiple cpu's at once outside the network without port forwarding.



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