Mac users interested in Vaporsec by joel rennich for mac generally download:
VaporSec is an IPSec GUI client that will allow you to create incredibly secure connections between Mac OS X 10.2 machines-or between your machine and third party firewalls using the built-in IPSec capabilities of Mac OS 10.2. VaporSec has currently been tested between Mac OS 10.2 machines and with a SonicWall firewall..
