Mobile VPN clients use shared Windows Internet Name Server (WINS) and Domain Name System (DNS) server addresses. DNS translates host names into IP addresses, while WINS resolves NetBIOS names to IP addresses. These servers must be accessible from the Firebox or XTM device trusted interface. Make sure you use only an internal DNS server.
For more information about how DNS is used for lookups over a mobile VPN connection, see DNS and Mobile VPNs.
In the network configuration, you can specify WINS and DNS servers to use.
Although you can add up to three DNS servers, the mobile VPN clients use only the first two in the list.