[CentOS] VPN Server Recomendations

> Hi Guys,
>
> I'm looking for a VPN solution that will run on CentOS.  I've used PopTop
> with success but some clients have problems at hotels and other firewalled
> locations.
>
> If anyone can suggest something that works well with MS 2000/XP, doesn't
> require too much tweaking on the client side and is fairly resiliant to
> various firewall blocking, I'd be interested in hearing about it.
>
> Shawn

I should have said VPN Server solution. :)  I will check out OpenVPN.

Thx.