Follow the guide below:

  1. Open the ZoneAlarm Security Suite panel and choose Firewall -> Zones.
  2. Click Add -> Host/Site (at the bottom right)
  3. Use the following settings:
    Zone: Trusted
    Host name: us.monkeyvpn.com
    Description: Free to choose, i.e. monkeyVPN PPTP
    Then click Lookup and after that OK
  4. When back at Firewall -> Zones; click Apply.
  5. Go to Firewall -> Main and click Advanced and there check Allow uncommon protocols at high security (the box Allow VPN protocols should already be checked).
  6. You connection to monkeyVPN should now work.