While VPN tunneling is EXTREMELY insecure, VPN Encryption is very secure, especially if it uses blowfish. I believe you are correct when saying the only time PGP encryption would be needed is if they are worried about interception on the destined pri...

For UNIX try the client at www.freeswan.orgIt has been around a while, and if the VPN doesn't use some proprietary protocol, it should work. It uses IPSec naturally. I found it simple to set up, but I am also a Linux sysadmin. Just edit /etc/ipsec.co...

You should take a look at the VPNet VPN Security advisory from last December at http://www.fatelabs.com/f8-120500-vpnet.txt for a nice scare on implementing a VPN in your network. This problem does not appear to be vendor specific after all. My advic...