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Configure WINS and DNS Servers

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 Firebox 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. DNS forwarding is not supported for mobile VPN clients.

Although you can add up to three DNS servers, the mobile VPN clients use only the first two in the list.

Changes to the global WINS/DNS settings do not apply to Mobile VPN with L2TP or Mobile VPN with IKEv2 until you reboot the Firebox.

To configure WINS and DNS servers, from Fireware Web UI:Closed
  1. Select Network > Interfaces.
    The Interfaces configuration page appears.

Screen shot of the Network Interfaces page, DNS Servers and WINS Servers section

  1. In the DNS Server or WINS Server text box, type the primary and secondary address for each DNS or WINS server.
  2. Click Add.
  3. (Optional) Repeat Steps 2–3 to specify up to three DNS servers.
  4. Click Save.
To configure WINS and DNS servers, from Policy Manager:Closed
  1. Select Network > Configuration.
    The Network Configuration dialog box appears.
  2. Select the WINS/DNS tab.
    The information on the WINS/DNS tab appears.

Screen shot of the Network Configuration dialog box WINS/DNS tab

  1. In the DNS Servers text box, type the IPv4 or IPv6 address for each DNS server.
  2. Click Add.
  3. (Optional) Repeat Steps 3–4 to specify up to three DNS servers.
  4. (Optional) In the Domain Name text box, type a domain name that a DHCP client appends to unqualified host names.
  5. In the WINS Servers text boxes, type the primary and secondary IPv4 address of the WINS servers.
  6. Click OK.

For L2TP and IKEv2 Mobile VPN clients, the Domain Name specified in the network DNS settings on the Firebox is not used as a domain name suffix. You can manually assign the DNS servers your PC uses for an L2TP VPN and IKEv2 VPN client connection, and specify the DNS suffix the client computer uses to resolve host names when it is connected to the VPN. For more information, see the Knowledge Base article, Configure DNS settings for L2TP VPN clients.

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