if you havent Macintosh Leopard, use universal program tunnelblick, , link for download http://tunnelblick.googlecode.com/files/Tunnelblick_3.0b9.dmg
If you have Macintosh Leopard that more comfortable for will be program Viscosity. Official project site - http://viscosityvpn.com/. In this case manual VPN-service comes to this actions:

1. Download the latest version Viscosity, using this link: http://viscosityvpn.com/download.html

2. Unpack config files, which you got from support, to any folder and open with any text editor file vpn.conf

3. In first manual window Viscosity (Tab General) point an name of connection, remote server, which you can find in string remote in file vpn.conf, and also port(see in the same place). Protocol of connection depends on string proto, udp or tcp

4. In Tab Certificates select type of authentication е SSL/TLS Client, point path to CA file, other options by defolt

5.  In Tab Options check, that ticks "Use username/Password Autentificaton" and "Use LZO Compression” turned up

6. In Tab Networkong put tick in point "Send all traffic over VPN connection"

7. In Tab Proxy you can insert you proxy address, if you are using it

8. In fall out menu Viscosity choose Connect, and also in dialog windows input name and password, which are stored in file pass.txt

9. Be glad quick connection :)