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I am watching some video guide on how to setup a VPN Server and he says you need two network cards (one internal, one external). I only have one right now, is there any way around this?

Edit: I am using a test environment where my domain is on windows 2008 R2 and now I want to test for another user to reach my domain on another network through VPN.

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It completely depends on how you what to setup your network and VPN. There are several potentially useful situations where you could have a single network interface. Can you update your question to tell us what you are trying to accomplish with this VPN? –  Zoredache Jun 8 '10 at 6:36
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Please consider revisiting some of your questions. Mark things as accepted if you have received a useful answer, or add comments or revise your questions with any additional details so we can get more of your questions resolved. –  Zoredache Jun 8 '10 at 6:39

2 Answers 2

up vote 4 down vote accepted

It might depend on the VPN server software you're using, but usually no, a VPN server can work with a single NIC, as long as you can make it accessible from outside your network through your firewall. This is certainly the case for Windows' RRAS.

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If Massimo answered your question, please can you click on the grey tick to the left? –  fahadsadah Jun 8 '10 at 18:01

OpenVPN server makes virtual interface with their own subnet, so you don't need two NICs.

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I updated the first post. –  Lars Jun 8 '10 at 17:50

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