Mac OSX

• Navigate to Roaming Clients > All Roaming Clients > Add New
• Select 'Desktop' followed by 'MACOSX'
• Enter the name of the device for unique identification
• Download the config file to a folder of choice (Downloads for example)
• Go to your download folder and execute the downloaded file
• Go to System Preferences > Profile
• Install the profile
• All DNS requests from the system should be forwarded to DNS Firewall