Required Software

Joe Pfeiffer jjpfeifferjr at
Fri Jan 26 20:01:39 CET 2007

Alexandru Lazar writes:
>> I've been working with Linux for such a long time and I'm not sure what
>> that VPN client is. Truth is, though most popular network devices
>> (Cisco, etc.) use VPN that Linux supports, it's Microsoft's VPN system
>> that's most prevalent in the companies I've encountered. Does anyone
>> know which VPN system works with MS? The choices for Linux I'm aware of
>> are Open/FreeSWAN (IPSec), Cisco VPN 5000 client, PPTP VPN and OpenVPN
>> (SSL-based).
>OpenVPN sounds like a decent choice for porting, as it runs in
>userspace, but afaik it's not compatible with MS (or any other VPN
>solution). However, it does run on Linux, *BSD, OS X and Windows (I've
>seen it ran on WinXP, not sure about Vista but it should do well).
>It's also pretty secure (uses SSL and can use HMAC too). I haven't
>looked at the code though so I can't say if it would be easy to port
>or not.

It does require the tun/tap driver in the kernel.

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