The Mac OS X SSL-VPN client bundle is a native Apple Disk Image (DMG). When the disk image is mounted, the displayed volume contains a profile for the Tunnelblick client. When Tunnelblick is installed and you have imported the Tunnelblick profile from the provided SSL-VPN client bundle, it is ready to use by Tunnelblick.

The Tunnelblick software must be obtained from the Tunnelblick website https://code.google.com/p/tunnelblick/. The Tunnelblick software is licensed under GPLv2.