universal VPN

I would like to ask the members if someoane who can help me with a universal VPN for linux which can be very easy to install .
I am ready to pay for this , if exist.

Tnx in advanced

Here are a few sites to get you started
http://www.pcquest.com/content/linux/2004/104013005.asp
http://www.coyotelinux.com/
http://www.impsec.org/linux/masquerade/ip_masq_vpn.html
http://www.google.com/linux?hl=en&lr...=Google+Search

tnx very much for your informations, I will keep you in touch regarding the finality.

B.R.

jakar