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connect from server to client

Posted: Tue Dec 21, 2010 2:03 pm
by selcmania
Hi,

Actually I cannot have a time for search. So I hope no one opened same topic.

I am using openvpn as in my organization. I want to connect from anyone of my local servers to connected vpn client. Is it possible? If yes how can i do that?

Thanks for your reply.

Regards,

Selcuk.

Re: connect from server to client

Posted: Tue Dec 21, 2010 3:05 pm
by george
Do you mean remote connections through openvpn server to connected clients? If so yes this is possible. I use vncviewer command on the server with X forwarding on my session.

Re: connect from server to client

Posted: Tue Dec 21, 2010 3:10 pm
by selcmania
I mean I have a connected client via OpenVPN and I want to connect or reach that client from my servers or my local PC.

Re: connect from server to client

Posted: Wed Dec 22, 2010 4:11 pm
by george
Yes, but I need more information on your setup before I cna provide the answer.

What OS is your openvpn server? What OS are the openvpn clients?

Re: connect from server to client

Posted: Wed Dec 22, 2010 5:59 pm
by gladiatr72
The short answer is: Yes. Once a client is successfully connected, it is On Your Network--it is just another IP. The thing you will probably need to look at is the configuration of the client machine. If you are running a client-side firewall, you will need to add rules to permit access from your server-side network(s). Whether this is in the form of RDC, VNC or an SSH connection, a client-side port that is not open will not provide a service! :)

From the server-network side, you could install a port scanner and direct it at the desired client IP to see what its network face Looks Like.

From the client system, you could install a packet sniffer and attach it to your tap/tun device to get a look at what kind of traffic said client is emitting.

For information regarding the proper configuration of the client machine, I'd direct you to a forum/list/something specific to your client OS and/or firewall.

Good Luck!

-Stephen

Re: connect from server to client

Posted: Fri Feb 11, 2011 9:50 am
by cnatraining
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