How hard is it to setup a dedicated VPN machine?

mace200200

Honorable
I have an old Dell deminsion 4600, it's not doing anything and hasn't for a while so I think it'd be cool to set it up in the corner as a dedicated VPN, don't really know what I'm doing but really want to learn in some way. From what I understand you can set one up pretty easily in windows
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Basically I just want to know, is any kind of serious hardware needed? Will a Pent 4, with 1 GB DDR RAM suffice? Do I need any kind of router or will my n600 be enough? From my school (going for IT Network Security) I get all kinds of free windows licenses, do I want to use Win7, server 08, or something more lightweight for my old machine like XP?
 
Solution
Not a lot of use in setting up a vpn machine without a purpose in mind. A single vpn device does nothing you need at least 2 since the whole idea is to build a private network over the top of another one.

Installing the software is pretty easy just load openvpn but the configuration and the load it puts on the machine greatly varies depending on number of sessions and amount of data and methods of encrypting the tunnels. In a number of cases you cannot even put these machine behind your router because of the issue with nat.

I suspect you will be better off loading the prebuilt ubuntu firewall images. They contain all the free firewall and IDP/IDS software as well as openvpn. Windows is extremely expensive platform to use a...
Not a lot of use in setting up a vpn machine without a purpose in mind. A single vpn device does nothing you need at least 2 since the whole idea is to build a private network over the top of another one.

Installing the software is pretty easy just load openvpn but the configuration and the load it puts on the machine greatly varies depending on number of sessions and amount of data and methods of encrypting the tunnels. In a number of cases you cannot even put these machine behind your router because of the issue with nat.

I suspect you will be better off loading the prebuilt ubuntu firewall images. They contain all the free firewall and IDP/IDS software as well as openvpn. Windows is extremely expensive platform to use a firewall because most the free tools only run on unix based machines.
 
Solution

mace200200

Honorable
Hmm see my plan was so that I could connect to it from my laptop at school. I didn't realize Ubuntu had built in VPN stuff (and I've run Ubuntu on many different machines). I'll try to think of some other server or something to use it for.