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 X 10.2. VaporSec has currently been tested between Mac OS X 10.2 machines and with a SonicWall firewall..
What's new in VaporSec
Verion 0.9 adds the following:
Support for main mode instead of aggressive which brings more compatibility with other third party VPN devices.
Support for recreating VPN connections at boot or when changing locations.