Overview

The Kerio VPN Server needs a DNS server, like other networking devices and elements, to resolve URLs into IP addresses. This article provides the steps required to configure Kerio Control to use the DNS server in Kerio Control for VPN Clients, as well as to use as an externally hosted DNS server. 

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Solution

Using the DNS Server in Kerio Control for VPN Clients

1. In the Kerio Control's administration page, go to Interfaces.

2. Double-click on VPN Server.

3. On the DNS tab, choose Use Kerio Control as DNS server.

4. Choose Automatically select the domain suffix.

5. Click OK. Kerio Control now uses its DNS server for Kerio Control VPN Clients and uses the domain suffix specific for the Kerio Control network.

Using External DNS Servers

1. In the Kerio Control's administration page, go to Interfaces.

2. Double-click on VPN Server.

3. On the DNS tab, select Use specific DNS servers.

4. In Primary DNS, type a fully-qualified domain name.

5. (Optional) In Secondary DNS, type a fully-qualified domain name of the backup DNS server.

6. If you want to use a different domain suffix, select Use specific domain suffix and type the domain suffix.
   

7. Click OK.

Note: To use WINS (Windows Internet Naming Service) for Kerio Control VPN Clients, select the WINS tab, and under the VPN Server Properties dialog box, specify the WINS server.

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Confirmation

The DNS servers are assigned to all Kerio Control VPN Clients, and the domain suffix is changed. To check if the configuration changes were saved, navigate to Interfaces > VPN Server > DNS tab and check the new DNS server's configuration. 

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